The EU ETS has been criticised for threatening the competitiveness of European industry and generating carbon leakage, i.e., increasing foreign greenhouse gas emissions. Two main options have been put forward to tackle these concerns : border adjustments and output-based allocation, i.e.,...

Border adjustments are currently discussed to limit the possible adverse impact of climate policies on competitiveness and carbon leakage. We discuss the main choices that will have to be made if the European Union implements such a system alongside the EU ETS. Although more analysis is required...

We adopt viability theory to assess the sustainability of the world’s forests while taking into account some of the competing economic, social, and environmental uses of these forests, namely, timber production, poverty alleviation through agriculture, and air quality as well as the negative...

This paper surveys the existing theoretical and empirical research on long term contracts inspired by the American experience. We analyze the role of take-or-pay clauses and price indexation rules, questioning whether regulation distorts optimal contract duration. The models we summarize allows...