Across-Regime Covariance Restrictions in Treatment Response Models

D.J. Poirier and Justin Tobias ()

Working Papers from California Irvine - School of Social Sciences

Abstract: Chib and Hamilton (2000) discuss Bayesian estimation of treatment response models subject to the restriction that the cross-regime correlation parameter is zero. This note points out important consequences of that restriction, and argues that the range of applicability of such an approach is necessarily limited. We also briefly discuss methods for fitting these models which do not impose such a restriction, and as a consequence, are not subject to the described limitations.

Keywords: EVALUATION; ECONOMIC MODELS; RESTRICTIONS (search for similar items in EconPapers)
JEL-codes: C11 C15 C51 (search for similar items in EconPapers)
Pages: 7 pages
Date: 2001
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Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:fth:calirv:00-01-29

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