@article{Villarreal2013,
author = {Villarreal, A.  and Blanchard, S. },
title= {How job characteristics affect international migration: The role of informality in Mexico},
year = {2013},
doi = {10.1007/s13524-012-0153-5},
journal = {Demography },
volume = {50},
number = {2},
pages = {751--775},
}