In this paper we argue that the number of candidates running for public office, their ideological differentiation, and the intensity of campaign competition are all naturally intertwined, and jointly determined in response to the incentives provided by the electoral system. We propose a simple...

This paper links the theory of interest groups influence over the legislature with that of congressional control over the judiciary. The resulting framework reconciles the theoretical literature of lobbying with the negative available evidence on the impact of lobbying over legislative outcomes,...