A subset of data from Alvarez et. al. (1996).
A data frame with 4126 observations on the following 7 variables.
Numeric country identifier
Year of observation
A dichotomous variable coded 1 for dictatorship, 0 for democracy
GDP/worker, 1985 prices
A dichotomous variable coded 1 for democracy, 0 for dictatorship, (1-
Alvarez, M., J.A. Cheibub, F. Limongi and A. Przeworski. 1996. Classifying political regimes. Studies in Comparative International Development 31 (Summer): 1-37.