"Bankruptcy Procedures in Costa Rica," 1963. "Asylum Cases in Latin America," 1964. "The System of Integrated Industries in Central America," 1965.
"Proposals for a General Increase in the Official Price of Gold," 1972. "Tax Incentives for Industrial Development in Central America," 1976. "The Development of Taxation and Banking in Costa Rica," 1976.
"Gold in the International Monetary System," 1978. "Coffee Activity and the Opening of the Costa Rican Economy," 1979. "International Crisis and the National Economy," 1982.
"1984: The Totalitarian Universe of Orwell," 1984. "Central America Conflict and Democracy," 1985. Economist, International Monetary Fund, Washington, D.C., 1965-1969.
Desk Officer for Uruguay, 1965 and Brazil, 1966-1968. Columnist, "La Nacion". Professor of International Relations: University of Costa Rica.
School of Political Science. Autonomous University of Central America, School of Journalism. Center for Political and Administrative Research, Tulane University, San Jose.
Judge, The Philip C. Jessup International Law Moot Court Competition, New England Regional Finals, Boston, Massachusetts, March 11-12, 1985. Guest Speaker on Central America, The White House, Washington, D.C., March 13, 14 and 15, and April 12, 1985. Member, International Committee, The White House Conference for a Drug Free America, Washington, D.C., February 29-March 4, 1988.