Democracy/Autocracy Data Sethttps://doi.org/10.7910/DVN/M11WFCUlfelder, JayHarvard Dataverse2012-09-192012-09-19T15:01:46ZEvent history data (a.k.a. survival data) on episodes of democracy and autocracy in countries worldwide during the period 1955-2010. In time-series cross-sectional format for discrete-time survival analysis with country-years as the unit of observation.democracy, autocracy, regime type,Jay Ulfelder and Michael Lustik, "Modelling Transitions To and From Democracy," Democratization, 14, 3 (2007), pp. 351-387., doi, 10.1080/13510340701303196, http://www.tandfonline.com/doi/abs/10.1080/13510340701303196#preview2011-012012-09-1319552010observation dataUnited StatesglobalCC0 1.0