This paper introduces a large new cross-country database on political institutions: the Database on Political Institutions (DPI). The authors summarize key variables (many of them new), compare this data set with others, and explore the range of issues for which the data should prove invaluable....

February 2000 - Some say that democracy is more likely to survive under parliamentary governments. That result is not robust to the use of different variables from the Database of Political Institutions, a large new cross-country database that may illuminate many other issues affecting and...

This paper introduces a large new cross-country database on political institutions: the Database on Political Institutions (DPI). The authors summarize key variables (many of them new), compare this data set with others, and explore the range of issues for which the data should prove invaluable....

Some say that democracy is more likely to survive under parliamentary governments. That result is not robust to the use of different variables from the Database of Political Institutions, a large new cross-country database that may illuminate many other issues affecting and affected by political...

This article introduces a large new cross-country database, the database of political institutions. It covers 177 countries over 21 years, 1975-95. The article presents the intuition, construction, and definitions of the different variables. Among the novel variables introduced are several...