We study how campaign contributions affect the voting strategies and effectiveness of justices in the Supreme Court of eight US states. A judge's voting strategy leans more heavily towards an interest group the larger are its contributions to the judge, and the smaller are its contributions to...

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,...

Democratic representation is constrained by the alternatives available to voters. In this paper, we develop a methodology to gauge the extent to which the "supply side" of politics hinders voter welfare. Using rich data on thousands of candidates in three Brazilian legislative elections, we...