Brea J A
Tijdschr Econ Soc Geogr. 1991;82(3):206-19. doi: 10.1111/j.1467-9663.1991.tb00789.x.
"This study investigates labor mobility in Ecuador as a function of the socioeconomic structure of places and personal attributes of migrants and circulators (short-term movers).... Particular attention is given to the role of agrarian change in altering established migration and circulation patterns." The author finds that "circulation may significantly alter family organization and the role of women in many Ecuadorian communities."