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Polity Data: Persistence and Change in Political Systems, 1800-1971
Principal Investigator(s): Gurr, Ted Robert; Gurr, Erika
Summary: This data collection consists of coded descriptions of the political structures of 144 countries worldwide (428 polities) in the period 1800-1971. One of four distinct but related datasets developed by Robert Gurr and his associates at Princeton University and Northwestern University to test hypotheses about the causes of conflict within contemporary nations and the correlates of institutional change, this study probes why some political institutions perform well and persist in resp... (view details)
Persistent URL: http://dx.doi.org/10.3886/ICPSR05010
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