The Pre-Programme Earnings Dip And The Determinants Of Participation In A Social Programme. Implications For Simple Programme Evaluation Strategies  

Oleh:

Heckman, James J. ; Smith, Jeffrey

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: The Economic Journal (EBSCO) vol. 109 no. 457 (Jul. 1999), page 313-348.
Fulltext: 313.pdf (559.87KB)

Isi artikel

The key to estimating the impact of a programme is constructing the counterfactual outcome representing what would have happened in its absence. This problem becomes more complicated when agents, such as individuals, forms or local governments, self-select into the programme rather than being exogenously assigned to it. This paper uses data from a major social experiment to identify what would have happened to the earnings of self-selected participants in a job training programme had they not participated in it. We investigate the implications of these earnings patterns for the validity of widely-used before-after and difference-in-differences estimators.

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