at the retail level. A rapid price decline and a decline in revenues followed. Increased retail competition eventually … be justified on the basis of a lack of competition. …

In 2000, there were as many countries served by a single mobile network as by network competition. Today, only 30 … low coverage, inefficient duplication of costs and lack of competition. To date, the authors are not aware of such single … light on the expected performance of single wholesale networks. The key result is that countries with network competition …

form of price, handset or bundling based competition. In this paper we explore the impact that one such disruptive mobile …

This paper investigates the impacts of the current roaming rules on domestic competition and welfare. We consider a …

This study analyzes empirically the effects of import competition on firm productivity (TFPQ) using administrative firm …-level panel data from German manufacturing. We find that only import competition from high-income countries is associated with … positive incentives for firms to invest in productivity improvement, whereas import competition from middle- and low …

regional level (see Fritsch, 2008, for a survey) which suggests that competition among incumbent firms is caused by (lagged …) start-up rates. Contrary to earlier research the present paper employs a direct measure of the level of competition between …