The effect of website provision on the demand for German women's magazines is analyzed using differentiated product demand models estimated on panel data that cover the period 1990 2000. Descriptive evidence on the magazines' website contents suggests that websites are used to provide...

No other area of the German economy has developed so emphatically in the past ten years as has that business-related services. Regardless of its growing overall economic importance, official statistics fail to provide economic researchers and economic policy with current data on the...

This paper derives a three stage Cournot duopoly game for research collaboration, research expenditures and product market competition. The amount of knowledge firms can absorb from other firms is made dependent on their own research efforts, e.g., firms' absorptive capacity is treated as an...

We analyze the performance of firms in the German business-related services sector. A quarterly business survey provides the panel data base of our study. Firm performance is measured by the survey respondents' ordinal indication of their changes in total sales. We use a firstorder Markov chain...

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...

We study the effects of a Danish wage subsidy program for highly educated workers on the labor market outcomes of the persons participating in the program and on the performance of the firms that hired these subsidized workers. Using data on the population of program participants, both...

No other area of the German economy has developed so emphatically in the past ten years as that of business-related services. Regardless their growing importance, business-related services still play only a minor role in official statistics. Above all, official statistics do not provide...