[1] Univ Sao Paulo, FEA, Sch Econ Business Adm & Accounting, Ribeirao Preto, Brazil
[2] Univ Savoie Mt Blanc, IREGE, IAE Savoie Mt Blanc, Inst Rech Gest & Econ, Annecy, France
[3] EPN, Dept Econ Cuantitat, Quito, Ecuador
[4] Univ Sao Paulo, Sch Anim Sc & Food Engn, Grp Study & Res Strategy & Vert Coordinat, Ctr Org Studies,CORS,GEPEC,FZEA, Pirassununga, Brazil