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).