@techreport{NBERw0858,
 title = "New Methods for Estimating Labor Supply Functions: A Survey",
 author = "James J. Heckman and Thomas E. MaCurdy",
 institution = "National Bureau of Economic Research",
 type = "Working Paper",
 series = "Working Paper Series",
 number = "858",
 year = "1982",
 month = "February",
 URL = "http://www.nber.org/papers/w0858",
 abstract = {This paper surveys new methods for estimatifg labor supply functions. A unified framework of analysis is presented. All recent models of labor supply are special cases of a general index function model developed for the analysis o dummy endogenous variables.},
}