This paper investigates the effect of corruption on competition in government procurement auctions. Our assumption is that the bureaucrat (i.e. the agent that administers the market), if corrupt, may provide a favor in exchange for a bribe.

The aim of this paper is to show that both location and race matter for explaining the high criminality rate in cities. In our model, blacks and whites are identical in all respects. However, if, for no economic but for extrinsic reasons, everybody (including blacks) believes that blacks are...