This paper studies the mechanisms behind party polarization in the US Congress. The model generates a link between the initial composition of the parties, the behavior of new interest groups and the pattern and level of polarization along the new policy dimension (e.g., environment). Our...

The Meat Inspection Act of 1891 and the Sherman Act of 1890 are shown to be closely tied. This link makes clearer Congress' intent in enacting the legislation. Both laws were products of conditions in the economy after 1880, and they reflected in part, a common concern about the Chicago packers,...

We extend the literature on interest group behavior and policy outcomes by examining how groups with limited resources (votes and campaign contributions) effectively influence government by manipulating media information to voters. Voters in turn lobby politicians to implement the group's...