This paper examines how immigrants’ optimal migration duration in the host country responds to the purchasing power parity (ppp) and relative wages between the host and source countries. A theoretical model of joint migration duration and saving decisions reveals that the optimal migration...

As wages in migrant sending countries catch up with those in destinations, migrants adjust on several margins, including their duration of stay, the number of migrations they undertake, as well as the amount saved while abroad. This paper combines Mexican and U.S. data to estimate a dynamic...