In this article the authors explore, in a preliminary way, some of the effects of learning-by-doing on the structure, conduct and performance of an industry. Learning is seen as a decline in a firm's unit production cost as a consequence of an increase in its cumulative production experience....

This work analyzes the difference between trade policy and competition policy for prices, wages, employment and national welfare when both product and labor markets are imperfectly competitive. Trade and competition policies have different impact on the domestic labor market when it is...

We discuss the case of a monopolist of a base good in the presence of a complementary good provided either by it or by another firm. We assess and calibrate the extent of the influence on the profits from the base good that is created by the existence of the complementary good, i.e., the extent...

We discuss the case of a monopolist of a base good in the presence of complementary goods provided either by it or by other firms. We assess and calibrate the extent of the influence on the profits from the base good that is created by the existence of complementary goods, i.e., the extent of...

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, connections by the same Internet Service Provider...

We examine the incentives for a government to levy an optimal tariff on a foreign monopolist. With complete information, the size of the tariff is proportional to the firm's efficiency. By contrast, if the government is not completely informed about costs, there exists an incentive for the...