Bayesian Encompassing Specification Tests of a Parametric Model Against a Non Parametric Alternative

Jean-Pierre Florens, Jean-Francois Richard and J.M. Rolin

Working Papers from Toulouse - GREMAQ

Abstract: An encompassing test between two models is based on the idea that the first model is able to explain the inference obtained by the second model. In a Bayesian Framework, the posterior distribution of the second model will then be compared to the posterior distribution built in hte first model trough a distribution on the parameter of the second model conditionally on the parameter of the first model. Such a strategy is used to test a parametric model against a non parametric one. This strategy is in particular justified by the inadequacy of usual tests as posterior odds. But the implementation of encompassing tests can only be made thanks to simulation techniques which intensively use representations of Dirichlet Measures.

Keywords: ECONOMETRICS; STATISTICS (search for similar items in EconPapers)
JEL-codes: C13 C15 (search for similar items in EconPapers)
Pages: 22 pages
Date: 1996
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Citations: View citations in EconPapers (7)

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Working Paper: Bayesian Encompassing Specification Tests of a Parametric Model Against a Non Parametric Alternative (1996)
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