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Rents in the era of resource scarcity: global payment flows under alternative scenarios
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1 Duchin and Levine Journal of Economic Structures (2015) 4:8 DOI /s RESEARCH Rents in the era of resource scarcity: global payment flows under alternative scenarios Faye Duchin 1* and Stephen H. Levine 2 Open Access * Correspondence: 1 Department of Economics, Rensselaer Polytechnic Institute, Troy, NY, USA 2 Department of Civil and Environmental Engineering, Tufts University, Medford, MA, USA Abstract Resource prices rise when more costly sources need to be exploited. When the world price increases, owners of low-cost sources receive scarcity rents. The magnitude of the rents depends on the range of resource qualities being simultaneously exploited and can represent a substantial transfer of wealth to those with property rights to large stocks of high-quality, easily accessible resources. These rents are bound to increase in the future along with the size of the human population, raised consumption expectations, and deployment of technologies that depend on a wider range of natural resources for their unique properties. We report results for a set of scenarios for a three-region, four-sector, three-resource world economy, where progressively increased consumer demand requires a second and then a third region to extract ore. This numerical example illustrates how the amount of rents transferred to the low-cost producers depends on the size of the low-cost endowments relative to world demand and on the differential costs of extraction relative to the highest-cost producer. The paper develops a framework for tracing global money flows from payments for specific consumer goods in one or more economies to receipts by owners of the embodied factors of production under alternative scenarios about the future. This objective requires a substantial generalization of methods utilized for ex post analysis of input-output databases for past years. For a world economy of m regions, n sectors, and k factors of production, we first compute scenario results using the World Trade Model with Bilateral Trade, then generate the Multiregional Input-Output database corresponding to each scenario, and finally compute a new Consumer-to-Factor Matrix from which the payment network is derived. JEL Classification: F18, O13, C67, C61 Keywords: Resource scarcity; Scarcity rents; Global payment network; Global supply chain; Scenario analysis; World Trade Model with Bilateral Trade (WTMBT); Multiregional Input-Output (MRIO) database Growing populations, growing affluence, and the materials diversity of modern technologies are straining the resource capacities on which we draw. The situation need not inspire panic, but should instead stimulate more diligent and more comprehensive approaches to thebalance between supply and demand across the entire periodic table. Tom Graedel et al., On the Materials Basis of Modern Society 2015 Duchin and Levine. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited.
2 Duchin and Levine Journal of Economic Structures (2015) 4:8 Page 2 of 17 1 Background At a time when global demand for oil was low and supply continues to increase, Saudi Arabia announced at the November 2014 meeting of OPEC that it would not cut its production volume. This is a momentous decision on the part of the country that has been the world s largest producer and exporter of petroleum, and also, as the lowest-cost producer, the major recipient of resource rents, a country that, at other times, has cut back production to bolster prices. The ability of Saudi Arabia, and indeed of OPEC, to govern oil prices is weakened as new sources of oil and new substitutes become available, and temporarily low prices undermine this competition. Oil monopolizes our attention now, but other resources also have the potential to dramatically influence the future international distribution of income and wealth. The key variables in determining the distribution of future resource rents include the demand for resource-intensive goods and services associated with increases in population and affluence and with changes in consumption preferences. Also important is the potential for substitutions in production among individual materials, waste management practices and secondary sources of materials, and new technologies more generally. Resource availability depends on the distribution of natural endowments, resource depletion or contamination as in the case of water, and new discoveries. Limits on production may be imposed as business strategy or due to inadequate production capacity or to legislation like environmentally motivated constraints on water withdrawals. Candidates for supply shortages include phosphate ore for fertilizer and geographically concentrated metals such as strontium (China), the platinum group (South Africa and Russia), niobium (Brazil), tellurium (United States and Australia), and manganese (Ukraine and South Africa) (Graedel et al. 2013). Material flows in an economy start from resources, which are extracted, processed, incorporated in intermediate goods, and eventually embodied in consumer products. The supply chain for a particular consumer product includes the resources and intermediate goods required for its production. Money payments flow in the reverse direction to the material flows; they originate in the payments made by consumers for final products, continue downstream through payments for intermediate products, and terminate in payments to the owners of the embodied resources and of other factors of production, namely labor and built capital. Quantification of a payment network permits tracing the money paid for food by consumers in the United States, for example, to its ultimate recipients: the owners of built capital (in the form of profits) and workers in food processing and transport and other industries in the United States and other countries, and the farmers, and those with ownership rights to land and water in the places where the crops were grown and livestock raised. In an era of resource constraints, global transfer of rents on scarce resources can be expected to grow as a share of the prices of food, or an iphone, and many other products. For this reason, they become increasingly critical to identify and quantify as a basis for developing resource strategies. 1.1 Characterizing supply chains Porter (1985) identified the central importance for a firm of managing what he called its supply chain as a basis for creating competitive advantages. Gereffi and Korzeniewicz broadened the focus from business strategy and emphasized the payments to factors of production at each node along a product s increasingly fragmented global supply chain
3 Duchin and Levine Journal of Economic Structures (2015) 4:8 Page 3 of 17 (Gereffi and Korzeniewicz 1994). Gereffi and Lee (2012) point out the value of the concept not only for business planning but also for evaluating national competitiveness and formulating development strategies. Kaplinsky and Morris stress the importance for developing countries of studying global value chains to identify opportunities to participate in the global economy on more favorable terms than just exporting raw materials (Kaplinsky and Morris, 2001). The global value chain literature includes numerous case studies, both for hightechnology sectors such as Dedrick et al. (2010) on the ipod and for processing of primary products of interest to developing countries, for example, Humphrey and Memedovic (2006) on agriculture and food or Palpacuer et al. (2005) on clothing. Quantifying the networks requires not only data but also analysis as the chain or network structure is not directly measurable. With the recent availability of detailed input-output tables covering a large part if not the totality of the world economy, it is now possible to quantify global value chains. Timmer et al. (2014), as members of the team that compiled one of these databases (Dietzenbacher et al. 2013), use it to calculate for selected final bills of goods the corresponding payments made for 14 manufactured products in 40 countries for each year between 1995 and 2008 to three categories of workers and to owners of capital in different regions. They report, for example, that for cars sold in Germany, the portion of the value of sales that remains in Germany as payments to labor and capital has fallen from 78 to 66 %; while the share earned by German capital has remained unchanged at around 20 %, the share paid to German workers fell from 57 to 46 %. Labor income as a share of total value added decreased in both high-income and low-income economies, falling globally from 59 to 53 %. Their concerns are distinguishing value added retained in the home region or leaked abroad over the time period studied. The long-established fact that a well-defined input-output computation can quantify the factors of production embodied in a given bill of final goods makes it the method of choice for computing value networks. The growing availability of detailed and documented global Multiregional Input-Output (MRIO) databases facilitates a more elaborated research program that distinguishes scarcity rents from other factor payments. 1.2 This study The present study is distinctive in that we focus the analysis not on data for the past but on scenarios about the future, and we take as the general case that resources and goods are measured in physical units that may also have a unit price. We disaggregate factor endowments to distinguish built capital from natural resources: this disaggregation makes it possible to distinguish not only their physical quantities but also their factor earnings. We further distinguish the ex ante resource price, which is earned whether or not a resource endowment is fully utilized, from the scarcity rent, which is non-zero only if the constraint is binding: the sum of the two is the unit price of the resource. The paper includes a numerical example that illustrates the nature of the investigation and the kinds of conclusions that can be drawn from the analysis. We distinguish the supply network of material inputs, both intermediate goods and resources, from the value network, which consists of payments in money values, by measuring flows in both units. When considering all the flows in the economy, the two networks have the same nodes and the same structure of arcs joining the nodes: when starting from the resources, the flows represent quantities directed toward the consumer; in the other direction, each arc is quantified as a money payment instead. However, we are interested not in the network as a whole but in sub-networks that are specific to the
4 Duchin and Levine Journal of Economic Structures (2015) 4:8 Page 4 of 17 question being addressed. Government officials, or others with property rights to particular resources in one region, may want to understand in which sectoral products those resources are embodied and in which regions the production and ultimate consumption take place. Alternatively, final users or other decision makers in a region may wish to know in whose hands consumers money outlays for particular final goods end up. Answers to these questions correspond to different sub-networks, and these sub-networks are the focus of this paper. We call attention in particular to rents earned on embodied scarce resources and the considerations that determine their magnitudes and destinations. The scenario analysis portion of this agenda requires a model capable of capturing the impacts of scenario assumptions and a database for representing the scenarios. We make use of the World Trade Model with Bilateral Trade (WTMBT) (Strømman and Duchin 2006). The WTMBT allows for a choice among technologies in each region and assigns production of each output according to regional comparative advantages subject to factor constraints, where the factor endowments may increase or be depleted according to the scenario. Scarcity rents are earned on fully utilized, high-quality factors of production, or on technologies that are low-cost relative to others in use. The outcomes for each scenario are then compiled, along with the exogenous scenario data, in the form of an MRIO table. The study presented here builds on the work of Duchin et al. (2015) and Duchin and Levine (2015), which describe the integration of the WTMBT scenario results about products and embodied resources into an MRIO data framework: here, that work is complemented by a focus on prices and payments. From the MRIO database for each scenario, we proceed to calculate what we call the Consumer-to-Factor Matrix (CFM), which transforms a vector containing payments of consumers in one or more regions for specific final goods to the vector of receipts by the owners of diverse factors of production in the same and other regions. In Section 2, we first describe the quantification of payment flows in a single region utilizing the notation of the basic input-output model. The primal and dual models provide the quantities and prices, respectively. From them, we develop the CFM, which in this simple case is familiar as the matrix of total factor requirements per unit of final deliveries. We proceed to the global, multiregional system. We describe the WTMBT, and the MRIO data objects, and extend the definition of the CFM matrices from the single region to accommodate model outcomes for alternative scenarios in the case of multiple regions, as represented by the MRIO matrices. Section 3 reports the outcomes for four alternative scenarios designed to reveal some of the key considerations in the determination of resource rents and to demonstrate the ability of the proposed framework to do so. The illustrative example is for a three-region economy with four sectors and three factors of production. As world demand grows under subsequent scenarios, the distribution of income by factor and by region shifts to reflect resource scarcities. Section 4 relates these results to the further development of this research program for addressing strategic questions about resources from the points of view of stakeholders with different interests. The paper includes four appendices. Appendix 1 shows the algebra for the WTMBT, and Appendix 2 provides the numerical values for the WTMBT database and for the solution variables for the four scenarios. Appendix 3 shows the transformation of these data to MRIO matrices needed for deriving the CFMs and from them, the distribution of factor payments. Appendix 4 shows the numerical values for the CFM corresponding to each scenario.
5 Duchin and Levine Journal of Economic Structures (2015) 4:8 Page 5 of 17 2 Methods 2.1 Payment flows in a single-region economy The objective of this section is to develop the equation that transforms the vector of consumer payments to the associated vector of factor payments in a single region. We begin with the familiar primary input-output equation describing quantity relationships and its associated dual-price equation. We assume that all resources and products are measured in physical units and also possess a unit price. (Unpriced resources are easily accommodated, and the unit price is 1.0 in the base year if the resource or good is measured in nominal money values.) Given the n 1 vector of consumer demand, y, and A, the n n matrix whose columns describe the intermediate input requirements per unit of output, the familiar quantity model, x ¼ Ax þ y or x ¼ ði AÞ 1 y; ð1þ solves for the outputs of goods and services, the n 1vectorx. GivenF, thek n coefficient matrix whose columns quantify requirements for each of k resources per unit of sectoral output, the resource requirements are given by the k 1vectorφ, φ ¼ Fx: ð2þ The dual model determines unit prices, p, for the n sectoral outputs, based on exogenously specified resource prices, π, p ¼ A T p þ F T π or p ¼ I A T 1F T π: ð3þ Alternative scenarios may specify values for changes in demand, y; in technologies, represented by columns of A and F; or in factor prices, π. Note that scenarios specifying changes in technologies will in general impact both x and p even if y and π are unchanged. We next define the n 1 vector of consumer payments y p ¼ ^py and the k 1 vector of factor receipts φ π ¼ ^πφ. The relationship between the two is established using Eqs. (1) and (2) and the definitions of the two variables: φ π ¼ ^πφ ¼ ^πfx ¼ ^πf ði AÞ 1 y 1 φ π ¼ ^πf ði AÞ 1^p yp : ð4þ The CFM in this simple case is the familiar k n matrix of total factor requirements per unit of final deliveries, F(I A) 1, converted to money values. This conversion is achieved by pre-multiplying and post-multiplying the matrix of total factor requirements by the vectors of factor prices and the inverse of prices of goods, respectively. We denote the CFM as Φ: Φ ¼ ^πf ði AÞ 1^p 1 ; ð5þ which can be written in terms of its individual components as follows: Φ ¼ ϕ 11 ϕ 12 ϕ 13 ϕ 21 ϕ 22 ϕ 23
6 Duchin and Levine Journal of Economic Structures (2015) 4:8 Page 6 of 17 Fig. 1 The Consumer-to-Factor Network This network is illustrated in Fig. 1. Setting B =(I A) 1, the elements of Φ are of the form ϕ ij ¼ π i p j X f ih b hj!: ð6þ h The components of the jth column of Φ describe how each money unit, say each dollar, of consumer payments for the product of sector j is ultimately distributed among the owners of the k factors. The matrix Φ is scenario-specific as the numerical values depend both on technological assumptions in A and F and on factor prices, π. In the case of the multiregional economy, as we will see in the numerical analysis below, the payment networks are in addition responsive to changes in final demand and to the size of factor endowments. 2.2 Payment flows in a multiregional economy We will be concerned with money flows in the global economy corresponding to payments for traded goods and services. The data structure for accommodating the information describing these transactions is the MRIO table. In a previous publication, Duchin and Levine (2015) define the MRIO table corresponding to a solution of the WTMBT and show how to construct it. Appendix 1 of this paper shows the equations for the WTMBT; for more detail, see Strømman and Duchin (2006). The World Trade Model with Bilateral Trade (WTMBT) (Strømman and Duchin 2006) is a linear program that minimizes global factor use to satisfy consumption requirements while respecting regional factor constraints. Model results are the mn 1 vectors of outputs, x, and prices, p (concatenations of m vectors of length n), the bilateral trade vectors, e ij, and two mk 1 vectors of rents, r, received on fully utilized factors and of quantities of factor use, φ. The WTMBT database of inputs is combined with scenario results to derive A B and Y B, matrices forming the MRIO table, which are also required for the network analysis. See Appendix 3 for the definitions and derivation of A B and Y B. The WTMBT is based on the logic of comparative advantage. It distinguishes bilateral trade flows by including the costs associated with international transportation of traded goods between any two regions as well as the world price for the goods. Along with the more familiar input-output objects, A i, F i, y i,andπ i for each region i, the WTMBT
7 Duchin and Levine Journal of Economic Structures (2015) 4:8 Page 7 of 17 database requires information on distances between pairs of regions and the mass of each product to be transported. This is accommodated in an n n matrix, T ji, for transport between each pair of regions, i and j. We will assume that the nth sector, and therefore the nth row of T ji, quantifies the demand for international transport in ton-kilometers per unit of each good imported to region i from j. An empirical application may include several transport rows distinguished by mode of transport. Also required for each region is f i,thek 1 vector of resource endowments, which constrain a region s production capacities. When a relatively low-cost producer runs into an endowment constraint, a higher-cost producer needs to enter the market, thus raising the world price of the good in question and allowing the lower-cost producers to earn rents on their scarce factors. In a recent paper, Duchin and Levine (2015) construct an MRIO table for each WTMBT scenario outcome. The production portion of this table is the multiregional equivalent of the one-region matrix A; we call it the Big A matrix, denoted as the mn mn matrix A B. In contrast to the one-region case, an element of A B specifies the quantity of the relevant input imported for a given sector from a particular region (with the associated transport services also accounted for if it is not domestically produced). Since bilateral trade flows are endogenous to the WTMBT, A B (unlike A) is scenario-specific even if there are no changes in technologies. The matrix A B accounts for imports of intermediate goods as well as those produced domestically. Imported and domestically produced consumer goods are represented in the mn mn matrix Y B. Each row of Y B corresponds to a specific sector in a specific region and contains the deliveries of the good produced by that sector in that region to consumers in all regions. We represent this flow as an import to the corresponding domestic sector, which in turn delivers it to the consumer. Therefore, the row has at most n non-zero elements, one for each region. The components of the mn 1vectory B are calculated as the row sums of Y B. Thus, each element of y B quantifies the amount of a consumer good produced in a region independent of where it is purchased and consumed. (By contrast, a component of the standard consumption vector, y, is the quantity of the good purchased by domestic consumers independent of where it was produced.) With A B and y B so defined, it follows that: x ¼ ði A B Þ 1 y B ; ð7þ where x is the mn 1 vector of output. (This variable follows the standard definition of x, being the vector of output, and thus does not require a subscript B, which is reserved for vectors or matrices having a unique definition in the MRIO database. The price vector, p, is also defined in the standard way). Finally, we define three more matrices. The first is Y OD (OD for off-diagonal), formed from Y B by replacing the diagonal elements (representing domestically produced consumer goods that are also sold domestically) with zeroes; consequently, Y OD contains only the exported consumer goods. The other matrices are S B and T S. The former is familiar as a requirement for building any MRIO database. Typically, it is an exogenous matrix of import shares coming from the different producing regions, but in our framework, it is an endogenous outcome of the WTMBT scenario analysis. The latter matrix, T S,isaninputto the WTMBT and is used to incorporate the input requirements for international transport services into the A B matrix. The matrices A B, Y B, S B, T S,andY OD, and the vector y B, are described in Appendix 3 and, in more detail, in Duchin and Levine (2015).
8 Duchin and Levine Journal of Economic Structures (2015) 4:8 Page 8 of 17 We are now ready to derive the CFM that transforms consumer payments, y p (recall that y p ¼^py), to the receipts of factor owners, φ π +r (where φ πþr ¼ ð^π þ ^r Þφ ), for the multiregional case. We use a logic similar to the one-region derivation, substituting first for x, thenfory B, and finally for y: φ πþr ¼ ð^π þ ^r ÞFx ¼ ð^π þ ^r ÞFI ð A B Þ 1 y B ¼ ð^π þ ^r ÞFI ð A B Þ 1 S B ði þ T S Þy φ πþr ¼ ð^π þ ^r ÞFI ð A B Þ 1 S B ði þ T S Þ^p 1 yp ð8þ where the kn mn matrix Φ B is defined as follows: Φ B ¼ ð^π þ ^r ÞFI ð A B Þ 1 S B ði þ T S Þ^p 1 ð9þ Equation (8) is used to determine the distribution of payments to factor owners using the CFM, defined as Φ B in Eq. (9), the multiregional counterpart of Eq. (5). As in the case of Eq. (5), the column of Φ B corresponding to a specific sector in a given region indicates the distribution one dollar's worth of consumer purchases of that sector s outputamong the owners of all factors in all regions. Thus, the CFM generalizes the one-region total factor requirements matrix in that it is the result of a scenario analysis rather than the compilation of accounting data, it is multiregional in scope, it distinguishes resources from built capital and scarcity rents from other resource costs, and it incorporates the interregional transport of imports. Since we are especially interested in the impact of scenario assumptions on scarcity rents, we supplement Eq. (8) by the following variable defined to contain only the rent payment: φ ¼ ^rfði A B Þ 1 S B ði þ T S Þ^p 1 y p. When a factor is scarce, the size of the rent will reflect the differences in quality, ease of access, or desirable geographic location of one endowment relative to others. 3 Results and discussion Now, we are ready to illustrate what can be learned about the consequences of resource scarcity using the combination of the WTMBT model for scenario analysis, the MRIO data structure, and the CFM to quantify payment flows corresponding to alternative scenarios. The logic of the approach is made transparent in a sequence of illustrative scenarios. We consider a world comprised of several regions that are jointly able to fully satisfy consumption demand with the factor endowments at hand, with each region specializing according to its comparative advantage. World consumption demand grows under subsequent scenarios, with implications for prices, scarcity rents, and the division of income both over factors and geographically. The numerical example includes three regions, four sectors, and three factors of production. The regions are stylized versions of (1) an industrialized, (2) an agricultural, and (3) a mineral-rich economy. Each has four production sectors: (1) agriculture, (2) manufacturing, (3) mining, and (4) interregional transportation services. The factors are (1) labor, (2) ore, and (3) land. The scenarios include a baseline, S0, and three alternative scenarios, S1, S2, and S3, that assume a progressive increase of 10, 20, and 30 %, respectively, in consumer demand for all products in the resource-rich region. Numerical
9 Duchin and Levine Journal of Economic Structures (2015) 4:8 Page 9 of 17 values for the A, F, and T matrices and the y, π, and f vectors, for the baseline scenario, are giveninappendix2,alongwiththenumerical results for the four scenarios. The database for the baseline scenario, S0, is constructed to allow for complete specialization, with the industrialized region producing all the manufactured goods and providing international transport services, the agricultural region growing all the food, and the resource-rich region extracting all the ore for the global economy. This outcome is assured by specifying adequate regional endowments to allow the lowest-cost producer of each good to satisfy total global demand. The regional baseline results for output, x, prices, p, factor use, φ, and scarcity rents, r, are shown in Appendix 2. The output vector reflects the pattern of specialization. Product prices vary across regions due to the different costs of transporting imports. The prices are naturally lowest in the regions that produce for domestic consumption since international transportation of imports is not required. All regions require labor, but land is used only in agriculture and ore only in mining. Since no factors are fully utilized, rents, r, are all zero. Scenario S1 specifies a 10 % increase in final demand in the resource-rich region. The resource-rich region can no longer satisfy total global demand for ore, so the next lower-cost region, in this case region 1, must also mine ore. Region 1 extracts 2.75 tons while region 3 uses its full endowment of 150 tons and receives a scarcity rent of $0.80 per ton in addition to the $2.00 per ton (π, see Appendix 2) it received in the baseline case. The price of the output of the mining sector rises by about 25 % while the other prices are much less affected. The increase in payments to the owners of ore in region 3 is almost entirely due to the emergence of a scarcity rent. Under scenario S2, final demand in region 3 is further increased to exceed baseline consumption by 20 %. Naturally, outputs of all sectors increase relative to S1. Prices, however, remain unchanged from their values under S1. The reason is that the endowments in all regions are adequate to support the same regional pattern of production and trade under scenario S2 as under S1. Since the costs of the highest-cost producer, namely region 1, have not increased, the scarcity rents are also unchanged from the previous scenario. The receipts of all factor owners increase slightly to account for the larger quantities of resources required. With an increase in the final demand in region 3 to 30 % over the baseline, sectoral outputs increase further. This time, however, there is a disproportionately large increase in prices relative to the other scenarios. The reason for this steep increase is twofold. First, region 1 has now also exhausted its endowment of ore, so an even higher-cost region, region 2, must begin to mine ore. Second, the cost structure of region 2 is substantially higher than that of region 1, and it is the cost of the highest-cost region that actually produces that sets the world price. The rent per ton of ore in region 3 increases, but it is only slightly higher than that in region 1 since the latter is only a slightly higher-cost producer. However, both rents (at $7.32 and $9.29, respectively) are much higher than the price of ore under the baseline scenario of $2 per ton in region 3. The values of φ π +r obtained using Eq. (8) are shown in the first block column of Table 1, with the distribution over factors (row percentages) and across regions (column percentages) shown in the following block columns. The share of global income earned by the resource-rich region increases from 22 % (22.3 % in the table) under the baseline scenario, to 28 % under scenarios S1 and S2, to 57 % under scenario S3. The share of
10 Duchin and Levine Journal of Economic Structures (2015) 4:8 Page 10 of 17 Table 1 Earnings by factor and by region under alternative scenarios Dollars Percent by factor Percent by region S0 Factors Region Labor Ore Land Total Labor Ore Land Total Labor Ore Land Total Total S1 Region Labor Ore Land Total Labor Ore Land Total Labor Ore Land Total : Total S2 Region Labor Ore Land Total Labor Ore Land Total Labor Ore Land Total : Total S3 Region Labor Ore Land Total Labor Ore Land Total Labor Ore Land Total : Total global income earned by those with property rights to ore increases from 21 to 60 % of total world income, over 90 % of it being received in the resource-rich, low-cost region. With this enormous transfer of wealth, the earnings of resource owners have increased considerably more steeply than prices, growing more than sixfold between S0 and S3. 4 Conclusions This paper calls attention to the challenges surrounding resource scarcities that are bound to become increasingly more critical in the future as consumption demand grows and resource endowments are depleted. We present an approach for anticipating these challenges through scenario analysis supplemented by the ex post derivation of the payment networks associated with scenario outcomes. The framework can also be used to evaluate approaches to addressing the challenges through measures including resource substitution, technological substitutions, recycling, and shifts to less resourceintensive consumption patterns. An illustrative numerical example for a three-region, four-sector, three-factor economy clearly demonstrates that increases in resource demand may have minimal,
11 Duchin and Levine Journal of Economic Structures (2015) 4:8 Page 11 of 17 moderate, or very substantial impacts on prices of resource-intensive goods and on scarcity rents, depending on the global abundance and distribution of the resource relative to the volume of demand. However, an additional consideration is also decisive: the differences in qualities of resource endowments and the cost structure of the technologies for exploiting them. One direction for empirical analysis is to explore the impacts of cartel-like behavior through scenarios imposing intentional limits on production or on exports to maintain prices high. The consequences of special treatment within trading blocks can also be examined. As we expand our use of materials to exploit the distinctive features of virtually all elements in the periodic table, the prospects for unanticipated shortages multiply. For example, lithium ion batteries now attract a lot of attention, but knowledge about the global distribution of lithium reserves in the earth s crust is still quite preliminary. Scenarios about the potential mismatch between supply and demand can examine ways to prepare for abrupt shifts in availability and prices. Methodologically, we have developed a new object, the Consumer-to-Factor Matrix, situated within a Multiregional Input-Output framework, for mapping a vector of consumer payments for one good or an entire bill of goods in one or more regions of the world to the associated payments received by owners of all embodied factors of production in the same and other regions. Like other MRIO techniques, the CFM can be applied ex post to MRIO matrices for the past. However, we have shown in a recent set of papers the reasons why an input-output model of the world economy based on a theory of trade that makes the regional division of labor endogenous is needed for MRIO analysis of alternative scenarios and demonstrated how to compile those scenario outcomes into an MRIO table (Duchin et al. 2015; Duchin and Levine, 2015). In this paper, we put those ideas to work in an illustrative numerical analysis that clarifies some of the fundamental issues surrounding future scarcity rents when confronted with increases in demand. The approach is readily applied to scenarios involving voluntary reductions in output of critical materials or products to raise prices by inducing ever higher-cost producers to enter the market, voluntary increases in production by low-cost producers if capacities allow in order to force out fledgling substitutes by requiring very high subsidies to keep them in business, and indeed, the choice among alternative technologies under scenarios affecting their relative cost structures. Such analyses can inform strategies for resource management for regions rich in potentially scarce materials and for those that depend on importing them. These analyses can also help establish priorities among materials that are candidates for more intensive recovery and recycling in order to avoid highly disruptive events in the global economy, namely limits in access to resources besides petroleum on which we have come to depend, or steep increases in their prices. 5 Appendices 5.1 Appendix 1: The World Trade Model with Bilateral Trade (WTMBT) The quantity and price models of the WTMBT are given below in Eqs. (10) (13) and (14) (17), respectively. The quantity equations are shown first despite the fact that we focus here on the price model by convention since in the past, most analyses have focused on the primal problem only.
12 Duchin and Levine Journal of Economic Structures (2015) 4:8 Page 12 of 17 Minimize C ¼ X i π T i F ix i ; ð10þ x i þ X j i e ji ¼ A i x i þ y i þ X j i e ij þ X j i T ji e ji ; i ð11þ F i x i f i ; i: ð12þ x i 0; i: ð13þ The price dual takes the following form: Maximize Z ¼ X i y T i p i X i f T i r i ð14þ such that I A T i pi F T i ðπ i þ r i Þ; i; ð15þ p i p j T T ji p i; i j: ð16þ p i ; r i 0; i: ð17þ The price of each good in the producing region is determined by Eq. (15), with the highest-cost region, among those regions that actually produce and export the good, setting the price and receiving no rent, while all lower-cost producers charge the same price and receive scarcity rents as the difference between the price and their costs. The second price constraint, Eq. (16), describes price formation in importing regions, for which a strict equality holds. (See Strømman and Duchin, 2006 for proofs.) The WTMBT accounts for the role of interregional transport sectors in providing the transport service (Eq. 11) and in determining regional prices (Eq. 16). The T ji matrices contain zeroes in all rows except the row (or rows) corresponding to the transport sectors. (The role of these matrices is illustrated in the numerical example of Section 4.) The nth element in each region s n 1 price vector, p i, (the element corresponding to the transport sector) is the price per ton-kilometer, and the price for an imported good sold in region i includes the cost of purchasing the good and of transporting it. See Strømman and Duchin (2006) for more details. 5.2 Appendix 2. Database and results for the scenario analyses in Section 4 This appendix contains the WTMBT database for the scenario analysis in Section 4 for the economy of three regions, four sectors, and three factors of production. The model is shown in Appendix 1. Regions: (1) industrialized, (2) agricultural, (3) mineral-rich. Sectors: (1) agriculture, (2) manufacturing, (3) mining, (4) interregional transportation. Factors: (1) labor, (2) ore, (3) land).
13 Duchin and Levine Journal of Economic Structures (2015) 4:8 Page 13 of Exogenous data The baseline A, F, andt matrices and the y, π, andf vectors for scenario S0 are as follows: Consumer demand for all goods in the resource-rich region (the last four figures in the y vector) is increased for each subsequent scenario: by 10 % under S1, 20 % under S2, and 30 % under S3.
14 Duchin and Levine Journal of Economic Structures (2015) 4:8 Page 14 of Model solutions Scenario results are reported below in Table 2 for output, x, and prices, p, andintable3 for factor use, φ, and scarcity rents, r. Table 2 S0 S1 S2 S3 Region Sector Output (x) Prices (p) Output (x) Prices (p) Output (x) Prices (p) Output (x) Prices (p) 1 Agr Mfg Mining Transport Agr Mfg Mining Transport Agr Mfg. 0 9.V Mining Transport Table 3 S0 S1 S2 S3 Region Factor Factor use (ϕ) Rents(r) Factoruse(ϕ) Rents(r) Factoruse(ϕ) Rents(r) Factoruse(ϕ) Rents(r) 1 Labor One Land Labor One Land Labor One Land Appendix 3. Creating the MRIO database from the scenario results for the Consumer-to-Factor payment calculations of Section 3 The results of a scenario run with the WTMBT are organized as an MRIO database, and the Consumer-to-Factor Matrix is derived in Section 3 from the MRIO database. In this appendix, we show how the four MRIO matrices A B, S B, T S,andY B (all of dimension mn mn for m regions and n sectors) are derived from the WTMBT database and scenario results. A B is the MRIO equivalent of the standard input-output coefficient matrix for intermediate products for a single region. It differs in that the former distinguishes intermediate inputs according to where they are produced via S B, and the transportation of imports to the purchasing region must be incorporated via T S. These adjustments can be made only after the scenarios are run, as both S B and T S are determined endogenously. These objects are defined as follows: A B ¼ S B ði þ T S ÞA ¼ S B A þ S B T S A ð18þ
15 Duchin and Levine Journal of Economic Structures (2015) 4:8 Page 15 of 17 where, for the three-region case, T S TS1 = T S T S3 S B = ŝ 11 ŝ 12 ŝ 13 ŝ 21 ŝ 22 ŝ 23 ŝ 31 ŝ 32 ŝ 33 The S B matrix consists of a block diagonal sub-matrix Ŝ ij for each pairing of regions, nine blocks in the case of three regions, containing the proportion for each good that is imported to region j from region i (or domestically produced when i = j) for the domestic intermediate or final use. The individual components can be defined as follows: 8 >< ^S ij ¼ >: ^x j þ X h j ^x j þ X h j ^e hj! 1x j for i ¼ j ^e hj Þ 1^e ij for i j where e ij is the vector of exports from region i to region j. These proportions are also used to distribute transport services among the regional providers: ð19þ T Sj ¼ X i j T ij^s ij ð20þ These are the block diagonal sub-matrices that comprise T S, and the matrix S B T S A adds the provision of interregional transport to A B. The S B and T S matrices are also used to derive the production in a region of consumer goods and their domestic consumption or destination as exports to other regions, Y B (see the text for further details): Y B ¼ S B ði þ T S Þ^y: ð21þ The mn 1 vector y B is comprised of the row-sums of Y B. Its entries for a particular region quantify the final goods that are produced in that region regardless of where they are ultimately consumed. y B ¼ S B ði þ T S Þy: ð22þ
16 Duchin and Levine Journal of Economic Structures (2015) 4:8 Page 16 of 17 Next, we define Y OD, the matrix containing the off-diagonal elements of Y B and zeroes down the diagonal. Its non-zero elements represent only those final goods that are traded among regions. 5.4 Appendix 4. The Consumer-to-Factor Matrices for the scenarios in Section 4 The numerical values for the Consumer-to-Factor matrices, Φ B, are given below for each of the scenarios: S0, S1, S2, and S3. The largest shifts are experienced in the second to last row, corresponding to receipts including scarcity rents by those with property rights to resources in region 3. See the text for a discussion of these results. S0: S1: S2: S3:
17 Duchin and Levine Journal of Economic Structures (2015) 4:8 Page 17 of 17 Competing interests The authors declare that they have no competing interests. Received: 3 February 2015 Accepted: 28 May 2015 References Dedrick J, Kraemer KL, Linden G (2010) Who profits from innovation in global value chains? A study of the ipod and notebook PCs. Industrial and Corporate Change 19(1): Dietzenbacher E, Los B, Stehrer R, Timmer MP, de Vries G (2013) The construction of world input-output tables in the WIOD project. Economic Systems Research 25(1):71 98 Duchin F, Levine SH, Strømman A (2015) Sustainable use of global resources: combining multiregional input-output analysis with a world trade model for analyzing scenarios. Part 1: conceptual framework. Journal of Industrial Ecology Duchin F, Levine SH (2015) Sustainable use of global resources: combining multiregional input-output analysis with a world trade model for analyzing scenarios. Part 2: implementation. Journal of Industrial Ecology Gereffi G, Korzeniewicz M (1994) editors. Commodity chains and global capitalism. Praeger, Westport, CT Gereffi G, Lee J (2012) Why the world suddenly cares about global supply chains. Journal of Supply Chain Management 8(3):24 32 Graedel TE, Harper EM, Nassar NT, Reck BK (2013) On the materials basis of modern society. Proceedings of the National Academy of Sciences of the United States of America doi: /pnas Humphrey J, Memedovic O (2006) Global value chains in the agrifood sector. United Nations Industrial Development Organization Working Paper, Vienna, (http://www.unido.org/fileadmin/user_media/publications/pub_free/ Global_value_chains_in_the_agrifood_sector.pdf). Accessed June 9, 2015 Kaplinsky R, Morris M (2001) A handbook for value chain research. Prepared for the International Development Research Council (IDRC), University of Notre Dame, Notre Dame, Indiana Palpacuer F, Gibbon P, Thomsen L (2005) New challenges for developing country suppliers in global clothing chains: a comparative European perspective. World Development. 33(3): Porter ME (1985) Competitive advantage. The Free Press, New York Strømman AH, Duchin F (2006) A world trade model with bilateral trade based on comparative advantage. Economic Systems Research 18(3): Timmer MP, Erumban AA, Los B, Stehrer R, de Vries G (2014) Slicing up global value chains. Journal of Economic Perspectives 28(2): Submit your manuscript to a journal and benefit from: 7 Convenient online submission 7 Rigorous peer review 7 Immediate publication on acceptance 7 Open access: articles freely available online 7 High visibility within the field 7 Retaining the copyright to your article Submit your next manuscript at 7 springeropen.com
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Well, I am as certain as one can be when I tell you that the Orioles have talked about or offered free agent first baseman Adam LaRoche a three-year deal worth $21 million - or have at least thrown those figures his way, officially or unofficially on paper. And today I read that ESPN's Buster Olney says the deal is worth a "reported $21M" as well. A source close to the situation now tells me that LaRoche, who was looking for a three-year contract, is comparing his deal to Carlos Pena's. Pena, in case you don't know, received a one-year, $10 million deal from the Chicago Cubs after he told me the Orioles made him an "enticing offer" that he "strongly considered." President of baseball operations Andy MacPhail, however, denied making an offer to Pena and said the two had one conversation in the presence of agent Scott Boras and that was it.
Here's my tweet from earlier: "Source close to LaRoche situation: "Adam should have taken deal from the #Orioles. But... he wants good money and he saw what Pena got."
Here's why LaRoche, if he truly believes deserves Pena money, cannot compare his negotiations to Pena's:
First, LaRoche is getting three years of guaranteed money while Pena is only getting one and will be faced with the pressure to have a rebound year in order to get a multiyear deal after the 2011 season. Pena is coming off the worst year of his career where he batted just .196 with 28 home runs and 84 RBI for the AL East champion Tampa Bay Rays and the first baseman will need to build his worth back up during his time in Chicago, a division with which he is unfamiliar.
LaRoche, on the other hand, in addition to the guaranteed $21 million I mentioned before, will be entering the toughest division in baseball while Pena will be leaving it. While LaRoche's defense is his biggest asset and is what sparked the Orioles' interest, has not proven he can hit in the AL East and is about to face elite pitchers such as Josh Beckett, John Lackey, Jon Lester, CC Sabathia, Phil Hughes and so on.
While there are few teams seeking a first baseman, LaRoche doesn't seem to have many other options - or maybe he does and we just don't know it. I will say this: I certainly don't.
Regardless, and lets think out loud together, there's probably two simple things going on here with LaRoche. One, he's clearly holding out for more money - I doubt more years - or simply does not want to play here. Would the Orioles go to three years, $24 million? Maybe, yeah. Now don't take this personal Orioles fans, but not many players are jumping at the chance to play for an under-.500 team in the toughest division in Major League Baseball, so you knew going into this offseason MacPhail was going to have to either overpay, add an extra year or both. If you want, you can make the argument that LaRoche will be reunited with Mark Reynolds, his teammate from Arizona, but the two had a combined 383 strikeouts last year on a team that only won 65 games and finished last in the National League West. Is that the duo, defense aside, you want at your corners?
Also, Torii Hunter wasn't able to lure his buddy Carl Crawford to the Los Angeles Angels. Crawford eventually chose the Red Sox over the Angels. Jayson Werth couldn't convince Cliff Lee to play for the Nationals and Lee ended up returning to Philadelphia after Werth departed. And lastly, Lee also didn't let Sabathia, his ex-teammate from Cleveland, sway him to join the Evil Empire in New York. So honestly, how much pull does an ex-teammate really have?
And the bigger question is this: Do you really want LaRoche that badly?
The Orioles just may have given up on LaRoche already since there's now reports the organization has shifted their interest back to free agent Derrek Lee. But the 35-year-old Lee has made it no secret that he wants to play for a contender next season, which one would assume would automatically eliminate Baltimore.
So - and again just thinking out loud - they can always go with Plan B and put Luke Scott at first and sign that big bat they have been seeking to DH. I have been saying this since the moment I started doing talk radio here in Baltimore last December. I thought last offseason the Orioles should have made a run at Vlad Guerrero (29 homers), who ended up with the Rangers; Jason Giambi (13 homers n 2009), who re-signed with the Rockies; Jim Thome (25 homers), who signed with the Twins; Hideki Matsui (21 homers), who signed with the Angels after winning World Series MVP with the Yankees; or Russell Branyan (25 homers), who signed with Cleveland.
Now, when all hell seems to be breaking loose with LaRoche, these names are being considered. In my opinion, after the season Scott has last year at the plate, putting him at first and keeping his bat in the lineup in addition to an even bigger bat at DH (and hopefully one from the above list) would not only be a great Plan B, but not a shabby Plan A.
Talk to me. Keep it clean and be kind.
Follow me on Twitter: JenRoyleMASN

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Sunday, May 8, 2016
Eisbock with Saflager S-189
12:39 PM | Posted by Ryan
This beer was somewhat planned, though I originally intended to brew it in a few weeks with the yeast cake from my recent Marzen. However, as I was brewing the Marzen, I realized that time really is of the essence.
I only had a couple weekends available for brewing before my son arrived! With that in mind I had been brewing constantly and the logistical issues that two sets of lagers would throw into my fermentation chamber schedule was not worth it. So instead of waiting until the yeast cake was ready, I decided to pony up for an extra few packs of lager yeast.
Originally I went to the LHBS with the intent of getting a couple packs of W34/70, but looking at the production date on the remaining packs I decided to instead go with a couple brand new packs of S-189. This will let me test out this new dry lager strain and compare yeast profiles vs 34/70, though it does throw a kink into my fermentation temperature. S-189 is 15-20C while 34/70 is 10 - 15C, so I'm running at the low and high end for each respective yeast.
For this beer I wanted something superbly malty, though not sweet. To achieve this I used a very light hand with crystal malt, and only used 1/2lb to get some dark fruit and caramel flavors in the beer. Additionally I decided to use another healthy portion of Kiln Amber malt to provide a toasty, lightly roasted flavor to the beer which should cut through some of the malt flavor and provide some balance.
I learned a lesson during this brew session, albeit one I had sort of planned for, just not enough I guess. Now that I am using an electric element to brew it is absolutely imperative to keep many extra fuses on hand. Normally I keep at least one on hand, however I somehow managed to blow 2 fuses this session! I ended up having to steal one from the boil side to take care of the HLT. I was really worried about what was going on, but I guess my backup fuse was a dud, because after the swap from the BK everything worked like a charm. Lesson of the day: keep at least a 6-pack of extra fuses on hand!!
I originally intended to Eis this beer, but now as I write this I am wavering. I guess time will tell.......
|Malt Bill
|Amt (lbs)
|Munich II (Weyermann)
|Kiln Amber (Franco-Belges)
|Special B (Castle)
|Amt (oz)
|Magnum (15.5%)
|Mash Schedule
|15min - vorlauf
|Saflager S189 x2 & rehydrated
|77% eff
|7.5gal Boil
Labels: German Beers
1 comments:
- Anonymous said...
Just curious if you knew why lager yeast ferments on the bottom and ale ferments on the top ? Any specific reason? also do you know if a
bottom fermentation has any differences between a top, other than yeast strain or preferred optimal temp?
- May 20, 2016 at 4:16 AM
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It was against Arizona State last season that Green had his first breakout performance – racking up 150 receiving yards in the first half.
Since then, Green hasn't surprised too many defenses, and as the sophomore continues to compile big games, even his quarterback thinks there's a chance Green will go down as the best receiver to play at Georgia.
"He's one of the best I've ever seen," Cox said. "He's an incredible playmaker, and he could end up being one of the best players that ever played here."
As to what makes Green so impressive, Richt said it's hard to identify just one thing. The beauty of having Green is that he does everything so well.
"When you take his combination of height and the range of his arms, his speed and agility; a lot of guys who are tall might be fast and can make a play on a deep ball, but A.J. can out-jump people, he can run by people," Richt said. "He can make them miss, and he's becoming a pretty darn good blocker. There isn't much that you'd ask a receiver to do that he can't do well. He's pretty good, and I'm glad we have him."
Although Marlon Brown has yet to see any significant action, offensive coordinator Mike Bobo said he's still expecting the freshman receiver to be a contributor to Georgia's offense before the season is done.
"Marlon is starting to show some progress," Bobo said. "Marlon is working hard, and we're not at all disappointed with Marlon. I think Marlon has as much potential as anybody we've got on this team, it's just a matter of him understanding what's going on and learning how to do things."
Richt said he expects a high number of recruits to be visiting Athens this week, but it's next week's matchup against LSU that's the really hot ticket.
"From what we're hearing, there's an awful lot of interest in this LSU game already," Richt said. "It's probably more than we can handle. There's only so many that can get in, so it's probably going to be tough to get everybody in who wants to get in."


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Novel Study
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The CIP: Strategic Plan has been updated and is now live online! The Strategic Plan was prepared with input from members and stakeholder groups, and highlights CIP's next steps.
The Canadian Institute of Planners (CIP) works on behalf of over 6,300 planning professionals nationally, and has served as the voice of Canada's planning community since 1919. Planners safeguard the health and well-being of urban and rural communities, by addressing the use of land, resources, facilities and services with consideration to physical, economic, and social efficiency.
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Mr. Bonica was extremely professional, courteous, and most generous with his prominent expertise. I was to enlist his services but my situation changed and I no longer had need of an attorney for the occasion. Mr. Bonica was most understanding and if my need changes I will; without reservation, contact him in immediately.
Posted by Kathy
Mr. Bonica has been and will continue to be my first choice for an attorney when legal matters arise. Prior to retiring from the workforce I had the privilege of working with John on many corporate matters and since retirement he has worked with me on personal legal matters. I would highly recommend John for any corporate or personal matters. He is responsive, helps explain matters in a way that is easily understood by a lay person and is extremely knowledgeable.
Posted by James
I have worked with John for 20 years both as President of Seneca Resources and Tiger Eye Resources. John is a great detail lawyer who knows the law and how to structure deals and contracts. He was my lawyer in forming 4 different companies, closing 2 acquisitions and 1 sale. He made sure there are no surprises in the deals he has done for me.
Posted by anonymous
Mr. Bonica provided excellent guidance in negotiating my oil and gas lease. His obvious expertise in the field and fine-tuned attention to detail, along with his ability to interpret the legal language of the contract and explain my options, made the process run very smoothly.
Posted by Leisa
Mr. Bonica was so helpful that I hired him to help with my legal matter. He is so knowledgable and professional
Posted by Gordon Sorrells
John is the best oil and gas lawyer in town. He knows and understands the industry and will identify and focus on the important issues. When I had a difficult transaction, John was my go to guy.
Posted by anonymous
Of the many attorneys I have dealt with over the last 30 years, Mr. Bonica proved to be the best value proposition of them all.
He listened well and delivered concise, yet comprehensive, responses to my questions. In addition to the specific issues I asked him to address, he identified other challenges and opportunities and provided strategies for minimizing the former while maximizing the latter.
He used his time and mine efficiently and effectively to assist me in achieving results that would not have been possible otherwise.