This paper constructs a dynamic model of the arms trade in which there are a small number of suppliers who care about the profits from the trade and the security consequences of the sale and a large number of interacting buyers who are concerned about their security relative to regional rivals....

In this paper, the authors suggest an alternative explanation of the high cross-section association between shares of saving and investment in GDP which M. Feldstein and C. Horioka (1980) interpret as evidence of low capital mobility. In OECD countries, saving and investment shares appear to be...

That governments should delegate the operation of monetary policy to independent central banks is widely advocated. For a closed economy, the optimal choice results in a banker who is more conservative than the representative government, assigning a lower weight on output in her welfare...

This paper is concerned with two related features of the labor market-the ratio of long-term to total unemployment, R, and the relat ionship between unemployment and vacancies (the "U-V curve"). A model is developed to explain R in terms of the average probability that an unemployed person will...