Anatomy of the Selection Problem
This article considers anew the problem of estimating a regression E(y|x) when realizations of (y, x) are sampled randomly but y is observed selectively. The central issue is the failure of the sampling process to identify E(y|x). The problem faced by the researcher is to find correct prior restrictions which, when combined with the data, identify the regression. Two kinds of restrictions are examined here. One, which has not been studied before, is a bound on the support of y. Such a bound implies a simple, useful bound on E(y|x). The other, which has received much attention, is a separability restriction derived from a latent variable model.
Year of publication: |
1989
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Authors: | Manski, Charles F. |
Published in: |
Journal of Human Resources. - University of Wisconsin Press. - Vol. 24.1989, 3
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Publisher: |
University of Wisconsin Press |
Saved in:
Online Resource
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