We consider an auction setting in which potential buyers, even if they fail to obtain the good, care about the price paid by the winner. We study the impact of these price-externalities on the first-price auction and the second-price auction in a symmetric information framework. First, we...

The paper addresses the problem of information asymmetry between a regulator and the polluting firms and proposes a very simple mechanism where the regulator is free to choose, without communicating in advance to the firms, between two instruments: an effluent fee or a standard: as a result in a...

This article determines the conditions under which the Southern countries should act together, or separately, while negotiating with the North about climate change policy and about the conditions for future Southern engagement. The paper models the international negotiations with complete and...