more difficult for another firm (entrant) to introduce a standard by investing in technology improvement. Our analysis … shows that that incumbent’s strategy depends on whether the technology is in its infancy or has matured, and that entrants …. When the technology is in its infancy, the incumbent deters entry, but when the technology is mature, entry and the …

interaction we attempt to capture and explain is the one of technology with the possibility of innovation via the intensity of …In a Cournot oligopoly set up with constant marginal cost and linear demand, innovation is rewarding. In this paper we … work with a Cournot oligopoly framework with increasing marginal cost and linear demand and show that innovation may not be …

It has been suggested that mergers, by increasing concentration, raise incentives to invest and hence are pro …-competitive. To study the effects of mergers, we rewrite a game with simultaneous price and cost-reducing investment choices as one … where firms only choose prices, and make use of aggregative game theory. We find no support for that claim: absent effciency …

tax incentives are found to play a role in fostering innovation. In addition we find important effects on the incentives …In the past decades the role of profit sharing schemes (PSS) as a way to foster innovation in a principal-agent context …, and more generally of innovation in economic growth, have been widely acknowledged and studied. However, surprisingly …

, which creates a negative environmental externality, and may decide to switch to cleaner technology. A benevolent social … planner sets carbon taxes without commitment. Higher future carbon taxes both reduce emissions given technology and encourage … energy producers to switch to cleaner technology. Geoengineering advances, which reduce the negative environmental effects of …