Das Normalarbeitsverhältnis löst sich auf. Beschäftigungsverhältnisse, die bislang eher ein Randdasein geführt haben, gewinnen an empirischer Bedeutung. Der vorliegende Beitrag beschäftigt sich mit den beiden folgenden Fragen: Was charakterisiert die Beziehungen zwischen Arbeitnehmern in...

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 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...

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...