Citation Information:
Users of the database should cite Thorsten Beck, George Clarke, Alberto Groff, Philip Keefer, and Patrick Walsh, 2001. "New tools in comparative political economy: The Database of Political Institutions." 15:1, 165-176 (September), World Bank Economic Review.

Users of the variables Checks or Polarization should cite Philip Keefer and David Stasavage (2003). "The Limits of Delegation: Veto Players, Central Bank Independence and the Credibility of Monetary Policy." American Political Science Review (August).

The dataset file, found below, is a compressed Stata file.