A series of recent influential papers has emphasized that in order to identify the wage effects of immigration one …. Hence if we look at the employment (rather than wage) response to immigration by state, we can still estimate the … characteristics of Mexican migrants to the US to predict immigration by skill level in California. Looking at immigraton between 1960 …

employment (rather than wage) response by skill to immigration in a state, I can estimate the substitutability … of the Mexican Population to predict immigration by skill level within California. Looking at immigration to California …, in turn, explains the counter-intuitive fact that there is a zero correlation between immigration and wage and employment …