The Polish government is considering methods of the privatizing and possible restructuring of the Polish National Railway, PKP, that would improve the efficiency of the railroad while creating some form of competition in order to prevent monopoly pricing. Traditional intramodal competition is...

Not all industries in post-socialist countries are appropriate targets for demonopolization and deregulation: as in the West, some "natural monopoly" sectors will require continued regulation to protect consumers from monopoly abuses. This paper focuses on three aspects of the design of...

We consider a two-period model with two sellers and one buyer in which the efficient outcome calls for the buyer to purchase one unit from each seller in each period. We show that when the buyer's valuations between periods are linked by switching costs and at least one seller is financially...

A freshman student in economics or a Nobel prize-winning macroeconomist who has lately stumbled across a journal or two in industrial organization economics may be somewhat perplexed or confused by many references to two-sided markets. Surely, is it not the case that all markets have two sides,...