We consider a two period model of optimal regulation of a firm subject to marginal compliance cost shocks. The regulator faces an asymmetric information problem: the firm knows current compliance costs, but the regulator does not. Both the regulator and the firm are uncertain about future costs....

We develop a game theoretic model of informational lobbying between two interest groups and a politician, in which the politician can require political contributions in exchange for access. The analysis considers three claims: (1) the rich have better access to politicians than less-wealthy...

This paper develops a model of political contributions in which a politician can either sell policy favors, or sell access. Access allows interest groups to share hard information with the politician in support of their preferred policy. Here selling access maximizes policy utility, while...