Latin American Politics (other than Cuba)
Democratic Transitions: The Portuguese Case. Published in Comparative Democratization and Peaceful Change in Single Party Dominant Countries edited by Marco Rimanelli, New York: St. Martin's Press, 1999.
Presidential Popularity in Central America: Parallels with the United States (with Charles Bundrick). Published in Political Research Quarterly, vol. 50, no. 4, December 1997.
From Communism to Democracy: Conciliation or Confrontation? The Case of Nicaragua. Published in The Political Chronicle, The Journal of the Florida Political Science Association, vol. 5, no. 1, 1993.
The Rise and Fall of Communism in Nicaragua, Journal of Interdisciplinary Studies. vol. IV, no. 1/2, 1992.
Resource Mobilization and Political Opportunity in the Nicaraguan Revolution: The Praxis. Published in The American Journal of Economics and Sociology, vol. 50, no. 1, January 1991.
Economic and Political Effects on Presidential Popularity in Costa Rica (with Charles Bundrick). Published in The Journal of Developing Societies, vol. VII, 1991.
Resource Mobilization and Political Opportunity in the Nicaraguan Revolution: The Theory. Published in The American Journal of Economics and Sociology, vol. 49, no. 4, October 1990.
Demographic Correlates of Political Instability in Latin America: The Impact of Population Growth, Density, and Urbanization (with Stephanie Moussalli and Charles Bundrick). Published inReview of Latin American Studies, vol. 2, nos. 1-2, 1989.
The Nicaraguan Revolution: From Autocracy to Totalitarian Dictatorship? The Journal of Interdisciplinary Studies, vol. I, no. 1/2, 1989.
An Analysis of Regime Types in Iberoamerica: 1973-1983. Published in The Journal of Developing Societies, vol. IV, fasc. 2, July-October 1988.
Fiscal Expansion and Political Instability in the Iberic-Latin Region (with S. D. Moussalli and C. M. Bundrick). Published in Public Choice, vol. 59, no. 3, 1988.
Fiscal Policy, the Military, and Political Stability in Iberoamerica. Published in Behavioral Science, vol. 31, no. 4, October 1986.
A Micro-Political Explanation of the 1979 Nicaraguan Revolution (with Richard Heggen). Published in Latin American Research Review, vol. XVII, no. 2, 1982.
Legitimacy, Coercion, and Scope: An Expansion Path Analysis Applied to Five Central American Countries and Cuba (with Richard Heggen). Published in Behavioral Science, vol. 26, no. 2, April 1981.
Authority, Scope, and Force: An Analysis of Five Central American Countries. Published in Public Choice, vol. 35, 1980.
A Tale of Two Sites: Political Structure and Policy Performance in Costa Rica and El Salvador. Published by the Institute of Latin American Studies, Technical Paper Series 12, 1977.