Marcos de Moraes Sousa
Instituto Federal Goiano Campus Ceres
Brazil

Marcos de Moraes Sousa, Professor in Administration, Federal Institute of Goiás; Ph.D. candidate, University of Brasília. Works on projects related to public administration, quantitative methods, and analysis of organizational performance. E-Mail: lceara@hotmail.com

Reginaldo Santana Figueiredo
Universidade Federal de Goiás
Brazil

Reginaldo Santana Figueiredo, Post-doctoral fellow in Modeling and Simulation, Department of Industrial and Systems Engineering, Texas A&M University, IE-TAMU, USA (2002), Ph.D., Industry Economics, Federal University of Rio de Janeiro (UFRJ); Associate Professor, Federal University of Goiás—UFG. He was also a consultant for the Brazilian government on the analysis of production chains and for the Department of Recreation, Park and Tourism Science of Texas A&M University, in the analysis of tourism's socioeconomic impact, using modeling and simulation techniques. E-mail: santanrf@uol.com.br