... 1980-84, 1985-89, and 1990-94. OLS and random effects regressions include a constant term and dummiesfor East Asia, Latin America, Sub-Saharan Africa, socialist countries, OECD members, and oil exporters ... Growth: Hills, Plains, Mountains, Plateaus and Cliffs,” unpublishedpaper, World Bank, October 1997.Przeworski, Adam, and Fernando Limongi, “Political Regimes and Economic Growth,” TheJournal of ... dummies; random-effects (also with period dummies); and full fixed-effects (with dummies for both periods and countries). Note that the fixed-effects methodology is particularly demanding in...