Heckman, J. J., & Smith, J. A. (1999). The pre-program earnings dip and the determinants of participation in a social program: Implications for simple program evaluation strategies. National Bureau of Economic Research.
Chicago Style (17th ed.) CitationHeckman, James Joseph, and Jeffrey A. Smith. The Pre-program Earnings Dip and the Determinants of Participation in a Social Program: Implications for Simple Program Evaluation Strategies. Cambridge, MA: National Bureau of Economic Research, 1999.
MLA (9th ed.) CitationHeckman, James Joseph, and Jeffrey A. Smith. The Pre-program Earnings Dip and the Determinants of Participation in a Social Program: Implications for Simple Program Evaluation Strategies. National Bureau of Economic Research, 1999.
Warning: These citations may not always be 100% accurate.
