The paper develops an oligopoly model of innovation and applies it to data from the Mannheim Innovation Panel. The … complexity, etc. are important determinants of overall innovation expenditures, but not for R&D specifically. If legal protection … affect the innovation activity of the firm. Specification tests derived from the theoretical model do not lead to a rejection …

This paper introduces a second, vertically related industry into the usual one-industry oligopoly framework of …

This paper derives a three stage Cournot-oligopoly game for product innovation, expenditure on introducing the product … and competition on the product market. Product innovation is assumed to increase consumer utility but is effective only if … decide whether or not to conduct product innovation and then determine their expenditure for bringing the new product to the …

This paper examines empirically the relationship between innovation and market structure within a simultaneous … applied to a newly constructed panel for Germany. Generalized Method of Moments (GMM) estimation techniques for dynamic panel … concentration. In contrast, competition enforces innovation, i.e. sales concentration has a negative impact on R&D. …