Heterogeneous variable selection in nonlinear panel data models: A semiparametric Bayesian approach.

PhD Seminar

We develop a simple Bayesian method for heterogeneous variable selection in nonlinear panel data models, where heterogeneity implies that variable selection takes place at the individual level. 

Speaker
Date
Wednesday 15 May 2024, 13:00 - 14:00
Type
Seminar
Room
4.12
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Each individual-specific parameter is either zero or comes from a Dirichlet process mixture of normals. For inference, we develop an efficient MCMC sampler. In a Monte Carlo study, we show that our approach is able to capture heterogeneous variable selection whereas a standard Dirichlet process mixture is not. An application on real choice data reveals that accounting for heterogeneous variable selection and non-normal continuous heterogeneity leads to an improved out-of-sample fit.

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