Despite the recent popularity of conditional cash transfers (CCT) and payments for environmental services (PES) programs, what determines their success is not well understood. We developed a conceptual framework to give insight into some of the main determinants of CCT and PES program efficiency...

The Stern Review has had a major influence on the policy discussion on climate change. One reason is that the report has raised the estimated cost of unmitigated climate damages by an order of magnitude compared to most earlier estimates, leading to a call for strong and urgent action on climate...

In this paper, we aim to assess households' vulnerability to food-price increases in four countries in sub-Saharan Africa. We use two established indicators of sensitivity to food price changes - one measuring the share of income spent on food, the other measuring net sales of food compared to...

We review the total allocations under the EU ETS first phase and compare these against historical emissions, projections, and national Kyoto targets. We conclude that most Phase 1 allocations are excessive on all these measures, particularly the last, and argue that this is potentially damaging...