We estimate an equilibrium model of decision-making in the US Supreme Court which takes into account both private information and ideological differences between justices. We present a measure of the value of information in the court. Our measure is the probability that a justice votes...

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,...

We study a model of elections in non-majoritarian systems that captures the link between competition in policies and competition in campaign spending. We argue that the overall competitiveness of the political arena depends both on the endogenous number of parties contesting the election and the...

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...