therein. We use an oligopoly model with vertical differentiation to investigate this question. We show that a decrease in the …

quality-improving investments. In many commonly-studied oligopoly games, such investments are strategic substitutes. We derive … commonly-studied oligopoly models. We also highlight plausible countervailing effects from two distinct sources. First, leading …, when firms are sufficiently patient. Key words: oligopoly games, strategic substitutes, innovation, investment, increasing …

This paper derives a three stage Cournot-oligopoly game for product innovation, expenditure on introducing the product …

The paper develops an oligopoly model of innovation and applies it to data from the Mannheim Innovation Panel. The …