This paper investigates the impact of technical progress on the relationship between competition an investment. Using a … model of oligopoly competition with di¤erentiated products where firms invest to reduce their marginal cost of production, I … competition that maximizes investment of the industry. This feature holds also for consumer surplus and Welfare. In the model …

We study how competition impacts innovation (and welfare) when firms compete both in the product market and in … innovation development. This relationship is complex and may lead to scenarios in which a lessening of competition increases R … provide conditions for when competition increases or decreases industry innovation and welfare. These conditions are based on …

competition assessment of the impact of a merger on dynamic competition, including its effects on innovation …Recent merger decisions by competition authorities have revived the debate on the relationship between competition and … innovation. This article reviews this issue by drawing on the relevant economic literature, and by placing it in the broader …

learningbydoing and organizational forgetting in R&D on firms' incentives to innovate. A dynamic step-by-step innovation model with …, the leader's R&D effort increases with the gap as she is trying to avoid competition in the future. When firms gain … allows followers to catch up. Contrary to the benchmark case the leader's innovation effort declines with the lead. This …

. Importantly, the theoretical model captures the strategic behavior between competing firms, its effect on their innovation …

discussed tradeoffs between innovation and price competition. I summarize recent developments in our knowledge of the … relationship between competition and innovation, highlighting the deficiencies that significantly constrain antitrust enforcers …Harold Demsetz once claimed that 'economics has no antitrust relevant theory of competition.' Demsetz offered this …