This paper develops a three stage oligopoly game for R&D cooperation, R&D expenditure and product market competition. In the first stage, firms decide whether or not to conduct R&D in cooperation with other firms. In the second stage the level of R&D investment is determined. Finally, firms...

This paper aims at providing business survey analysts with simple econometric tools to quantify qualitative survey data. We extend the traditional and commonly applied method proposed by Carlson and Parkin (1975) to capture observable survey respondent heterogeneity. We also discuss...

The German population is aging. Since fewer children are born and simultaneously life expectancy rises, demographic changes will lead to a double aging process. The paper analyzes the effects of demographic changes on the public budget by applying a cointegration analysis to global budget...

In this paper we predict the pure demographic effect on medical expenditure of the German Statutory Health Insurance Scheme. To isolate this effect, we assume that the age-specific expenditure for medical treatment as observed in 1991 remains constant over the whole prediction period (1991 until...

This study investigates firm survival and employment growth of start-ups by unemployed people in East and West Germany as promoted by the Work Support Act (so called bridging allowances). In 1994, the services provided were improved considerably, which led to a sharp increase in the number of...

The paper develops and applies a Grossman-style health production model set up in discrete time to explain the impact of environmental pollution on the demand for both health and health care. In order to introduce the environment, our analysis takes changes in environmental conditions to...

This paper investigates the determinants of transaction price changes during BUND-future trading at Deutsche Terminbörse (DTB) and London International Financial Futures Exchange (LIFFE). The analysis uses the ordered probit model, which is an econometric tool that is comparatively new to the...

The impact of technology on the demand for heterogeneous labor is controversely discussed throughout the literature. New technology which is said to favor high skilled labor and to substitute low skilled labor is often considered as the main reason for the decline in relative demand for low...