Treatment effect estimators for count data models |
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| Authors: | Takuya Hasebe |
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| Affiliation: | Faculty of Liberal Arts, Sophia University, Tokyo, Japan |
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| Abstract: | In this paper, we consider a switching regression model with count data outcomes, where the possible outcome differs across two alternate states and individuals endogenously select one of the states. We assume lognormal latent heterogeneity. Building on the switching regression model, we derive estimators of various treatment effects: the average treatment effect, the average treatment effect on the treated, the local average treatment effect, and the marginal treatment effect. We illustrate an application that examines the effects of public insurance on the number of doctor visits using the data employed by previous studies. |
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| Keywords: | count data doctor visits lognormal public insurance treatment effects |
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