This landmark theoretical book is about the mechanisms by which special interest groups affect policy in modern democracies. Defining a special interest group as any organization that takes action on behalf of an identifiable group of voters, Gene Grossman and Elhanan Helpman ask: How do special int[...]

Designed for use by professional researchers and advanced graduate students, this text forms part of a series of handbooks for various branches of economics, each of which is a source, reference and teaching supplement. Each handbook provides self-contained surveys of the current state of a branch o[...]