Search Results - subject:"Count Data"

How did the German health care reform of 1997 change the distribution of the demand for health services?

Winkelmann, Rainer - 2003

I consider the problem of evaluating the effect of a health care reform on the demand for doctor visits when the effect is potentially different in different parts of the outcome distribution. Quantile regression is a useful technique for studying such heterogeneous treatment effects. Recent...

Persistent link: https://www.econbiz.de/10010315524

Re-evaluating an evaluation study: The case of the German health care reform of 1997

Winkelmann, Rainer - 2003

This paper reports on a re-evaluation of the German health care reform of 1997. A previous evaluation found a limited effect of a 4.4 percent reduction of the number of doctor visits in a sample of pharmacy customers. The re-evaluation based on a representative household survey, the German...

Persistent link: https://www.econbiz.de/10010315525

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

Winkelmann, Rainer - 2003

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...

Persistent link: https://www.econbiz.de/10010315599

Raising the Scores? : Empirical Evidence on the Introduction of the Three-Point Rule in Portugese Football

Dewenter, Ralf - 2003

applying panel count data techniques. …

Persistent link: https://www.econbiz.de/10010263409

A Dynamic Integer Count Data Model for Financial Transaction Prices

Pohlmeier, Winfried; Liesenfeld, Roman - 2003

and a dynamic count data component for the size of the price changes. Since the model is capable of capturing a wide range …

Persistent link: https://www.econbiz.de/10010263413

Explaining the regional distribution of new economy firms: a count data analysis

Dohse, Dirk; Schertler, Andrea - 2003

analysis of the factors determining the regional distribution of new economy firms in Germany. Using a count data analysis, we …

Persistent link: https://www.econbiz.de/10010265411

Structured count data regression

Fahrmeir, Ludwig; Osuna, Leyre - 2003

Overdispersion in count data regression is often caused by neglection or inappropriate modelling of individual … count data models which can deal with these issues by incorporating corresponding components in structured additive form …

Persistent link: https://www.econbiz.de/10010266199

THE FAST DECAY PROCESS IN RECREATIONAL DEMAND ACTIVITIES AND THE USE OF ALTERNATIVE COUNT DATA MODELS

Sarker, Rakhal; Surry, Yves R. - 2003

Since the early 1990s, researchers have routinely used count data models (such as the Poisson and negative binomial) to … estimate the demand for recreational activities. Along with the success and popularity of count data models in recreational … demand analysis during the last decade, a number of shortcomings of standard count data models became obvious to researchers …

Persistent link: https://www.econbiz.de/10009446201

The response of individual FX dealers'quoting activity to macroeconomic news announcements

BEN OMRANE, Walid; HEINEN, Andréas - Center for Operations Research and Econometrics (CORE), … - 2003

(DACP), which is designed for time series of count data, which can be both under- or overdispersed. We find that dealers …

Persistent link: https://www.econbiz.de/10005043461

Raising the Scores? Empirical Evidence on the Introduction of the Three-Point Rule in Portugese Football

Dewenter, Ralf - Fächergruppe Volkswirtschaftslehre, Helmut Schmidt … - 2003

applying panel count data techniques. …

Persistent link: https://www.econbiz.de/10005091343