This paper sets out to model the evolution of market shares in the semiconductor industry. The time profile of market shares for different firms in this industry has shown a striking regularity over successive generations of products. In a model of vertical product differentiation three distinct...

This paper makes a critical review of the introduction of first 3G mobile services and the evolution of market structure. There is evidence in support of to the quot;overbiddingquot; hypothesis, i.e. license fees determined in auctions were higher than ultimately compatible with the originally...