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Article
Specification tests for the sample selection and two-part models
We conduct Monte Carlo analysis to compare specification tests in choosing between the sample selection and two-part models for corner solutions when errors are correlated but there are no identifying instrume...
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Article
Propensity score and difference-in-difference methods: a study of second-generation antidepressant use in patients with bipolar disorder
This article compared standard regression (logistic), propensity score weighting, propensity score matching, and difference-in-difference (DID) methods in determining the impact of second-generation antidepres...
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Article
Choosing Between and Interpreting the Heckit and Two-Part Models for Corner Solutions
This article addresses certain poor practices commonly seen in the applied health economics literature regarding the use of the Heckit and the two-part model. First, many articles invoke the Heckit to solve a ...