Rebuttal of "On Nonparametric Identification of Treatment Effects in Duration Models"

  • 1 January 2016
    • preprint
    • Published in RePEc
Abstract
In their IZA Discussion Paper 10247, Johansson and Lee claim that the main result (Proposition 3) in Abbring and Van den Berg (2003b) does not hold. We show that their claim is incorrect. At a certain point within their line of reasoning, they make a rather basic error while transforming one random variable into another random variable, and this leads them to draw incorrect conclusions. As a result, their paper can be discarded.

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