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Does medicaid pay too much for precscription drugs? : A case study of atypical anti-psychotics
Duggan, Mark G., (2003)
Competition in imperfect markets : does it help California's Medicaid mothers?
Aizer, Anna, (2004)
The use and effect of public programs on child health and well-being
Aizer, Anna, (2002)
Semi-parametric estimation of hurdle regression models with an application to medicaid utilization
Gurmu, Shiferaw, (1997)
Tests for detecting overdispersion in the positive Poisson regression model
Gurmu, Shiferaw, (1991)
Estimation and specification testing in some econometric models of counts
Gurmu, Shiferaw, (1992)