Caribbean nurses and teachers are one example; however, one of the clearest cases is the specialization of Peruvian migrant women in domestic services: almost 50% of them work in this sector. Peruvian women employed as domestic workers are more highly qualified than other migrant groups, and this comparative advantage may be one of the reasons why they are more frequently hired to fill these positions. However, Pacecca and Courtis (2008) have noted that overqualified domestic workers do not necessarily receive higher pay, at least not in Argentina.