1. Center for Development and Regional Planning - Federal University of Minas Gerais (Cedeplar/UFMG), Minas Gerais, Brazil
2. Department of Economics, Administration, and Sociology, Luiz de Queiroz College of Agriculture (Esalq), University of São Paulo (USP), São Carlos, Brazil
3. Department of Economics, Administration, and Sociology, Luiz de Queiroz College of Agriculture (Esalq), University of São Paulo (USP), São Paulo, Brazil