This paper studies how competition and vertical structure jointly determine generating capacities, retail prices, and … before they buy electricity in the wholesale market, we show that welfare is highest if competition in generation and …

This paper discusses the economics of the Internet backbone. I discuss competition on the Internet backbone as well as … relevant competition policy issues. In particular, I show how public protocols, ease of entry, very fast network expansion … large web site to multiple ISPs (customer multi-homing) enhance price competition and make it very unlikely that any firm …

same time increases competition. As a result, the platform lowers the firm fees and raises the consumer charges. In … competition. In this case, the platform raises both the charge to the consumers and the fee for the firms. …

surplus compared to duopoly competition between platforms that charge positive fees on content providers. We also discuss the …

intensified competition for consumers. …

same time increases competition. As a result, the platform lowers the firm fees and raises the consumer charges. In … competition. In this case, the platform raises both the charge to the consumers and the fee for the firms. …

the successful introduction of competition in the telecommunications sector. The main reason behind this success is that … telecommunications is in line with micro-economic theory, which predicts an increase in efficiency and lower prices when markets are … opened up to competition. The success in the telecommunications sector is often used as an argument for opening up other …

innovation intensity to escape competition. The U-shaped relation is more pronounced in industries where firms compete in …

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 …