Dealing with the common econometric problems of count data with excess zeros, endogenous treatment effects, and attrition bias

How managed care affects medicaid utilization a synthetic difference-in-differences zero-inflated count model

Freund, Deborah A., (1996)

Dealing with the common econometric problems of count data with excess zeros, endogenous treatment effects, and attrition bias

Freund, Deborah A., (1999)

How Managed Care Affects Medicaid Utilization : A Synthetic Difference-in-Differences Zero-Inflated Count Model

Kniesner, Thomas J., (2010)