Random Parmeters and Self-Selection Models

Pramila Krishnan

Working Papers from Dipartimento Scienze Economiche, Universita' di Bologna

Abstract: In this paper I discuss the specification of self-selection models with random parameters. I demostrate that in a self-selection model, misspecification of the parameter structure as constant causes blased estimates, and the direction of the bias leads to an under-estimation of the selectivity effect. I estimate a self-selection model of moonlighting with random parameters and find that: the selectivity effect, which was almost absent in the constant parameter version of the model, is indeed significant.

Date: 1989-07
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Related works:
Journal Article: Random Parameters and Self-Selection Models (1993)
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Persistent link: https://EconPapers.repec.org/RePEc:bol:bodewp:78

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