In this paper, we assess the impact of competition and regulation on prices of mobile services in France. We estimate …-adjusted prices to a set of competition and regulation variables and find that the launch of 4G networks by mobile operators was the … introduced to pre-empt the entry of low cost competitor declined at the time of entry. Moreover, we find that regulation, which …

the "competition effect", by which desired price markups and inflation decrease when entry rises. We find that a 1 percent …