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Full-Text Articles in Social and Behavioral Sciences
The Importance Of Sample Attrition In Life Cycle Labor Supply Estimation, Thomas J. Kniesner, James P. Ziliak
The Importance Of Sample Attrition In Life Cycle Labor Supply Estimation, Thomas J. Kniesner, James P. Ziliak
Economics - All Scholarship
We examine the importance of possible non-random attrition to an econometric model of life cycle labor supply including joint nonlinear taxation of wage and interest incomes and latent heterogeneity. We use a Wald test comparing attriters to nonattriters and variable addition testing based on formal models of attrition. Results from the Panel Study of Income Dynamics are that non-random panel attrition is of little concern for prime-aged male labor supply estimation because the effect of attrition is absorbed into the fixed effects. Attrition is less econometrically influential than research design decisions typically taken for granted; the wage measure or instrument …
How Managed Care Affects Medicaid Utilization: A Synthetic Difference-In-Differences Zero-Inflated Count Model, Thomas J. Kniesner, Deborah A. Freund, Anthony T. Lo Sasso
How Managed Care Affects Medicaid Utilization: A Synthetic Difference-In-Differences Zero-Inflated Count Model, Thomas J. Kniesner, Deborah A. Freund, Anthony T. Lo Sasso
Economics - All Scholarship
We develop a synthetic difference-in-differences statistical design to apply to experimental data for adult women living in Hennepin County, Minnesota, to estimate the impact of Medicaid managed care on various modes of medical care use. Because the outcomes of interest are utilization counts with many persons using none of a particular mode of care we use count regression models that are adjusted for excessive zeros. We find no reductions in physician visits or hospital inpatient and emergency department care use, but reductions in hospital outpatient care. Simulations designed to judge the economic significance of our results suggest a program effect …