This paper develops a novel approach to the economic evaluation of public policies: participatory value evaluation (PVE). PVE involves citizens directly in decisions of the government, taking into account governmental and individual budget constraints. Citizens receive reliable information on...

International climate negotiations take place in a setting where uncertainties regarding the impacts of climate change are very large. In this paper, we examine the influence of increasing the probability and impact of large climate change damages, also known as the 'fat tail', on the formation...