Notes, Comments and Preliminary results Aug 19 2022 Caio Resende , Ana Carolina Zogbhi , Rafael Terra de Menezes and Luis Felipe Oliveira   The impact of longer school days on mothers' and children's labor force participation   Abstract  Contact Information  Citation  Full Text  -  Preliminary Result   Mar 07 2020 Caio Resende and Thiago Caldeira   Privatization of Brazilian airports: a synthetic control approach   Abstract  Contact Information  Citation  Full Text  -  Preliminary Result