Association for Public Economic Theory Sorbonne, University of Paris, Paris. July 2002. “Income Distribution and the Public-Private Mix in Health Care Provision: The Latin American Case”

“Global Engagement in Creating Financially Viable Health Care Systems” Ankara, Turkey. July 2002. "Horizontal and Vertical Dimensions in LAC Social Insurance Systems" "Market Structure and Provider Payment Mechanisms in Health Care: Experiences from Mendoza,...

Pasadena, California, July 2002. “Social Sectors Reform and the Role of Unions”

University of Toronto, Canada. June, 2002. “Income Distribution and the Public-Private Mix in Health Care Provision: The Latin American Case”

York, England. July 2001. "Horizontal and Vertical Dimensions in Latin America Social Insurance Systems" “Entry and Price Response in Markets without Patent Protection: the Case of Pharmaceuticals in Argentina” "Market Structure and Provider Payment Mechanisms in...

Washington DC May 29-June 1, 2001 "The Pan-American Health Organization Revolving Fund"

Boston, MA, November 12 - 16, 2000 "Provider Payment Mechanisms in Developing Countries" "The Pan-American Health Organization Revolving Fund"

Montelimar, Nicaragua, July 10 -13, 2000. "Horizontal and Vertical Dimentions in Latin America Social Insurance Systems."

Arlington, Virginia, June 13 - 26, 2000. "Horizontal and Vertical Dimensions in Latin America Social Insurance Systems"

Santa Cruz, Bolivia, July 1999. “Comparative Analysis of Social Insurance Systems in Latin America and the Caribbean”

Rotterdam, the Netherlands, June 6-9, 1999. “Income Distribution and the Public-Private Mix in Health Care Provision: The Latin American Case” “Entry and Price Response in Markets without Patent Protection: the Case of Pharmaceuticals in Argentina” ‘Provider Payment...

Lima, Peru. August 1998. “Income Distribution and the Public-Private Mix in Health Care Provision: The Latin American Case”

United Nations Santiago, Chile, June 1994. "Strategic Behavior in the Argentinean Automobile Industry"

United Nations Santiago, Chile, July 1993 “Topics in Game Theory and Applied Microeconomics"

Bahía Blanca, Argentina, November 1990 “Institutions, Productive Organization and Competition: The Case of Imaging Diagnosis Services".