This paper examines how dollarization affects wages and employment in the M
exican labor market. Dollarization is modeled as a fixed real exchange rate
and also as a potentially increased inflow of capital from abroad. The eff
ects of dollarization depend upon whether adopting a fixed exchange rate re
duces the rate of return on emigration and helps to attract foreign capital
. The paper investigates how Mexican emigration to the United States respon
ds to changes in bilateral economic conditions. The evidence indicates that
the flow of illegal immigrants from Mexico into the United States is sensi
tive to economic conditions and is more volatile when the Mexican monetary
authorities have fixed the exchange rate in the past. In contrast, the lega
l immigrant flow is not sensitive to changes in relative economic condition
s.