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| Type | Working Paper |
| Scope | Discipline-based scholarship |
| Title | Copula bivariate probit models: with an application to medical expenditures |
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| Institution | University of Zurich |
| Series Name | Working paper series / Department of Economics |
| Number | No. 29 |
| ISSN | 1664-7041 |
| Date | 2011 |
| Abstract Text | The bivariate probit model is frequently used for estimating the effect of an endogenous binary regressor (the "treatment") on a binary health outcome variable. This paper discusses simple modifications that maintain the probit assumption for the marginal distributions while introducing non-normal dependence using copulas. In an application of the copula bivariate probit model to the effect of insurance status on the absence of ambulatory health care expenditure, a model based on the Frank copula outperforms the standard bivariate probit model. |
| Official URL | http://www.econ.uzh.ch/static/wp/econwp029.pdf |
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| Keywords | Bivariate probit, binary endogenous regressor, Frank copula, Clayton copula, Statistik, Probit-Modell |