The elasticity of the migrant labor supply : evidence from temporary Filipino migrants / Simone Bertoli (CERDI, University of Auvergne, CNRS and IZA), Jesús Fernández-Huertas Moraga (Universidad Carlos III de Madrid, IAE-CSIC and IZA), Sekou Keita (CERDI, University of Auvergne) ; IZA. Bonn : IZA, July 2016