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Statistics/Economics Seminar - Jiaying Gu (University of Toronto) - "Identification of Dynamic Panel Logit Models with Fixed Effects"

Event Type
Departments of Econometrics and Statistics
317 David Kinley Hall
Apr 19, 2024   2:00 pm  
Originating Calendar
Department of Statistics Event Calendar

Title: "Identification of Dynamic Panel Logit Models with Fixed Effects” joint work with Christopher Dobronyi and Kyoo il Kim

 Abstract: We show that the identification problem for a class of dynamic panel logit models with fixed effects has a connection to the truncated moment problem in mathematics. We use this connection to show that the sharp identified set of the structural parameters is characterized by a set of moment equality and inequality conditions. This result provides sharp bounds in models where moment equality conditions do not exist or do not point identify the parameters. We also show that the sharp identified set of the non-parametric latent distribution of the fixed effects is characterized by a vector of its generalized moments, and that the number of moments grows linearly in T. This final result lets us point identify, or sharply bound, specific classes of functionals, without solving an optimization problem with respect to the latent distribution. We illustrate our identification result with several examples, and an empirical application on modeling children’s respiratory conditions.

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