Our experimental analysis of alliances in conflicts leads to three main findings. First, even in the absence of repeated interaction, direct contact or communication, free-riding among alliance members is far less pronounced than what would be expected from non-cooperative theory. Second, this...

Recent international climate negotiations suggest that complete agreements are unlikely to materialize. Instead, partial cooperation between like-minded countries appears a more likely outcome. In this paper we analyze the effects of such partial cooperation between like-minded countries. In...

This paper analyzes the setting of national patent policies in the global economy. In the standard model with free trade and social-welfare-maximizing governments à la Grossman and Lai (2004), cross-border positive policy externalities induce individual countries to select patent strengths that...

In a recent paper, Barrett (2006) reaches the conclusion that in general the answer to the question in the title is no. We show in this paper that a focus on the R&D phase in the development of breakthrough technologies changes the picture. The stability of international treaties improves and...

Achieving efficiency for many global environmental problems requires voluntary cooperation among sovereign countries due to the public good nature of pollution abatement. The theory of international environmental agreements (IEAs) in economics seeks to understand how cooperation among countries...

Different countries have been following different reform paths since the early 1990s. We develop a simple dynamic model of policy reform that captures some of the determinants that underlie these differences. The model emphasizes the interaction between domestic institutions and international...