Publications Based on SOEP Data: SOEPlit

Econometric Analysis of Count Data. 4th Edition

How Did the German Health Care Reform of 1997 Change the Distribution of the Demand of Health Services

Re-evaluating an Evaluation Study: The Case of the German Health Care Reform of 1997

Co-payments for prescription drugs and the demand for doctor visits - Evidence from a natural experiment

The German health care reform of 1997 provides a natural experiment for evaluating the price sensitivity of demand for physicians' services. As a part of the reform, co-payments for prescription drugs were increased step up to 200%. However, certain groups of people were exempted from the increase, providing a natural control group against which the changed demand for physicians' services ...

Health Care Reform and the Number of Doctor Visits - An Econometric Analysis

This paper evaluates the German health care reform of 1997, using the individual number of doctor visits as outcome measure and data from the German Socio-Economic Panel for the years 1995–1999. A number of modified count data models allow us to estimate the effect of the reform in different parts of the distribution. The overall effect of the reform was a 10% reduction in the number of doctor visits. ...

Subjective well-being and the family: Results from an ordered probit model with multiple random effects

The previous literature on the determinants of individual well-being has failed to fully account for the interdependencies in well-being at the family level. This paper develops an ordered probit model with multiple random effects that allows to identify the intra-family correlation in well-being. The parameters of the model can be estimated with panel data using Maximum Marginal Likelihood. The approach ...

Parental separation and well-being of youths: Evidence from Germany

Reforming Health Care: Evidence from Quantile Regression for Counts

Ethnic Self-Identification of First-Generation Immigrants

The Expansion of Low-Cost, State-Subsidized Childcare Availability and Mothers’ Return-to-Work Behaviour in East and West Germany

This study investigates whether increased availability of low-cost, state-subsidized childcare for under 3-year-olds in Germany is associated with shorter employment interruptions amongst mothers. By focusing on a major childcare reform in East and West Germany, we examine the effect in two contexts that differ markedly in the acceptance and use of formal childcare and maternal employment. We combine ...