Iwai, Nobuyuki; Emerson, Robert D.; Walters, Lurleen M. - Southern Agricultural Economics Association - SAEA - 2006
Using National Agricultural Workers Survey data, we estimate U.S. farm worker wage differentials by legal status. In order to adequately correct sample selection bias, we develop a Heckman-type two-stage method with an ordered probit model in the first stage and a wage equation model in the...