Misspecification Testing in a Class of Conditional Distributional Models
38 Pages Posted: 25 Feb 2012
Abstract
We propose a specification test for a wide range of parametric models for the conditional distribution function of an outcome variable given a vector of covariates. The test is based on the Cramer-von Mises distance between an unrestricted estimate of the joint distribution function of the data, and a restricted estimate that imposes the structure implied by the model. The procedure is straightforward to implement, is consistent against fixed alternatives, has non-trivial power against local deviations of order n^-1/2 from the null hypothesis, and does not require the choice of smoothing parameters. In an empirical application, we use our test to study the validity of various models for the conditional distribution of wages in the US.
Keywords: Cramer-von Mises distance, quantile regression, distributional regression, location-scale model, bootstrap, wage distribution
JEL Classification: C12, C14, C31, C52, J31
Suggested Citation: Suggested Citation
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