For global or other shared assets, such as water resources from a transboundary watershed or a stable climate, taking action that delivers benefits fairly to multiple countries is more challenging. Towards Green Growth: Monitoring Progress: OECD Indicators, OECD Publishing, Paris. Some low-income countries with considerable endowments of natural resources (particularly mineral resources or even fossil fuels) have economies with growth rates amongst the lowest in the world - a phenomenon known as “the resource curse” (Gylfason, 2004; Collier, 2007). This paradox stems from several factors: the impact of currency appreciation (resulting from the large monetary transactions related to these assets) on the competitiveness of other sectors of the economy; the high volatility of these commodity prices; and social conflict and corruption associated with their exploitation (Collier, 2007).