Antle, J.M. and D. Cole. 2001. "Pesticides and Human Health: Lessons from the Andes." Presented at the Annual Bank Conference on Development Economics, the World Bank, Washington, DC, USA, May 1.

Antle, J.M. and J.J. Stoorvogel. 2003. Incorporating Systems Dynamics and Spatial Heterogeneity in Integrated Assessment of Agricultural Production Systems. Presented at the international workshop on Reconciling Rural Poverty Reduction and Resource Conservation: Identifying Relationships and Remedies, Cornell University, Ithaca, New York, USA, May 2-3.Corresponding paper (pdf file).

Antle, J., J. Stoorvogel, W. Bowen, C. Crissman, and D. Yanggen. 2002. "Making an Impact with Impact Assessment: The Tradeoff Analysis Approach and Lessons from the Tradeoff Analysis Projects in Ecuador and Peru." Presented at the Why Has Impacts Assessment Research Not Made More of a Difference? international conference sponsored by CIMMYT, San José, Costa Rica, February 4-7.

Antle, J.M. and D. Yanggen. 2003. El Proyecto de Análisis de Relaciones de Intercambio (TOA): Aplicaciónes en Ecuador y Péru. Presented at the University of the Pacific, Lima, Peru, August 5. (In Spanish)

Cole, D.C. 2001. "Changing Agro-Ecosystem Management to Reduce Pesticide Use and Improve Human Health." Presented at the Institute for Environmental Studies, University of Toronto Special Seminar Series, February 8.

Crissman, C., D.C. Cole, S. Sherwood, P. Espinosa A., and D. Yanggen. 2002. "Potato Production and Pesticide Use in Ecuador: Linking Impact Assessment Research and Intervention for Greater Ecosystem Health." Presented at the Why Has Impacts Assessment Research Not Made More of a Difference? international conference sponsored by CIMMYT, San José, Costa Rica, February 4-7. Corresponding paper (pdf file).