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Estimation of Multinomial Logit Models with Unobserved Heterogeneity Using Maximum Simulated Likelihood

Discussion Papers 573, 16 S.

Peter Haan, Arne Uhlendorff

2006. Apr.

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Published in: The Stata Journal 6 (2006) 2, 229-245


In this paper we suggest a Stata routine for multinomial logit models with unobserved heterogeneity using maximum simulated likelihood based on Halton sequences. The purpose of this paper is twofold: First, we provide a description of the technical implementation of the estimation routine and discuss its properties. Further, we compare our estimation routine to the Stata program gllamm which solves integration using Gauss Hermite quadrature or Bayesian adaptive quadrature. For the analysis we draw on multilevel data about schooling. Our empirical findings show that the estimation techniques lead to approximately the same estimation results. The advantage of simulation over Gauss Hermite quadrature is a marked reduction in computational time for integrals with higher dimensions. Bayesian quadrature, however, leads to very stable results with only a few quadrature points, thus the computational advantage of Halton based simulation vanishes in our example with one and two dimensional integrals.

Peter Haan

Head of Department in the Public Economics Department

Keywords: multinomial logit model, panel data, unobserved heterogeneity, maximum simulated likelihood, Halton sequences
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