Semiparametric Bayesian inference in smooth coefficient models |
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Authors: | Gary Koop Justin L. Tobias |
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Affiliation: | 1. University of Leicester, Department of Economics, Leicester LE1 7RH, UK;2. Department of Economics, Iowa State University, USA |
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Abstract: | We describe procedures for Bayesian estimation and testing in cross-sectional, panel data and nonlinear smooth coefficient models. The smooth coefficient model is a generalization of the partially linear or additive model wherein coefficients on linear explanatory variables are treated as unknown functions of an observable covariate. In the approach we describe, points on the regression lines are regarded as unknown parameters and priors are placed on differences between adjacent points to introduce the potential for smoothing the curves. The algorithms we describe are quite simple to implement—for example, estimation, testing and smoothing parameter selection can be carried out analytically in the cross-sectional smooth coefficient model. |
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Keywords: | C11 C15 C51 |
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