We demonstrate the existence of an intergenerational equity-efficiency trade- off in policy-making that aims at Pareto-efficiency across generations and sustainability, i.e. non-decreasing utility over time. Our model includes two salient characteristics of sustainability problems and policy:...

We study how human preferences affect the resilience of economies that depend on more than one type of natural resources. In particular, we analyze whether the degree of substitutability of natural resources in consumer needs may give rise to multiple steady states and path dependence even when...

Basic concepts and ideas -- Limits to growth -- Economics in a full world -- The challenge of ecological economics : historical context and some specific issues -- Issues with the World Bank -- Sustainable development : definitions, principles, policies -- The illth of nations : comments on...