In this paper, we design a theoretical model to analyze the impact of the number of firms on investment in the wireless communications industry. Our model extends the Salop's framework by introducing investment in quality that either reduces the marginal cost of production or shifts the...

According to static models of industrial organization, a rise in competition decreases prices. In this paper, I test whether this conclusion can be reversed in the mobile telecommunications markets where dynamic efficiency effects might be significant. The empirical test relies on the change in...

This paper investigates the incentives to invest in improving the quality (as distinguished to investment in a new activity) in telecommunication industry using the empirical example of wireless markets. We highlight that investment incentives are positively related to the potential for...

This paper empirically assesses the impact of the intensity of competition on investment in new technologies within the mobile telecommunications industry. Using firm level panel data and an instrumental variable estimation it finds an inverted-U relationship between competition intensity and...

This article studies the impact of the sharing of traffic costs between an Internet access provider and a content provider, both of which have a monopoly on their market. It shows that when the content provider charges consumers for content, cost sharing triggers a virtuous circle that...

This paper investigates the incentives to invest in improving the quality of service (as distinguished to investment in a new activity) in telecommunication industry. This kind of investment is very important in telecommunication industry because of the rapid technological progress that makes...