Nonparametric identification of a binary random factor in cross section data
<p>Suppose V and U are two independent mean zero random variables, where V has an asymmetric distribution with two mass points and U has a symmetric distribution. We show that the distributions of V and U are nonparametrically identified just from observing the sum V +U, and provide a rate root n estimator. We apply these results to the world income distribution to measure the extent of convergence over time, where the values V can take on correspond to country types, i.e., wealthy versus poor countries. We also extend our results to include covariates X, showing that we can nonparametrically identify and estimate cross section regression models of the form Y = g(X;D*)+U, where D* is an unobserved binary regressor.
Year of publication: |
2009-07
|
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Authors: | Dong, Yingyong ; Lewbel, Arthur |
Institutions: | Centre for Microdata Methods and Practice (CEMMAP) |
Saved in:
freely available
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