Fixed Effects Nonlinear Panel Models with Heterogeneous Slopes: Identification and Consistency

Martin Mugnier and Ao Wang
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Martin Mugnier: Paris School of Economics
Ao Wang: University of Warwick and CAGE Research Centre

The Warwick Economics Research Paper Series (TWERPS) from University of Warwick, Department of Economics

Abstract: We study a class of two-way fixed effects index function models with a nonparametric link function and individual- (or time-) specific slopes. Our model alleviates potential misspecification errors due to the common practice of specifying a known link function such as Gaussian and its tail behavior. It also enables to incorporate richer unobserved heterogeneity in the marginal effects of covariates via heterogeneous slopes across individuals. We show the identification of the link function as well as the slopes and fixed effects parameters when both individual and time dimensions are large. We propose a nonparametric consistency result for the fixed effects sieve maximum likelihood estimators. Finally, we apply our method to the study of establishing exportation and illustrate the consequences of imposing Gaussian link function and homogeneity on the slope of distance.

Keywords: Nonlinear Panel Models; Fixed Effects; Slope Heterogeneity; Nonparametric; Sieve JEL Codes: C23; C24; C25 (search for similar items in EconPapers)
Date: 2024
New Economics Papers: this item is included in nep-dcm and nep-ecm
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Persistent link: https://EconPapers.repec.org/RePEc:wrk:warwec:1531

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