PPD
Data set used in the book Presidentialism, Parliamentarism, and Democracy (Cambridge 2007) and in the article “Presidentialism, Electoral Identifiability, and Budget Balances in Democratic Systems” (APSR 2006) . Coverage: 199 countries, from 1946 or year of independence to 2002.
Citation:
Cheibub, José Antonio. 2007. Presidentialism, Parliamentarism, and Democracy. Cambridge: Cambridge University Press.
Cheibub, José Antonio. 2006. "Presidentialism, Electoral Identifiability, and Budget Balances in Democratic Systems." American Politlcal Science Review 100 (3): 335-350.