We examine thirty years of computer industry market structure. Our analysis explains the persistence of dominant computer firms, their recent decline, and the changing success of competitive entry.
The authors incorporate social status and regional affiliation—two variables of central sociological interest—into an economic analysis of entry and predation.
Many oligopoly theories predict a positive correlation between market size and the equilibrium number of firms and some also imply that competition is more intense in larger markets.
In this paper we examine the development of the microcomputer market in the early 1980s. CP/M, a widely-adopted operating system, was orphaned by the user and the development communities.
In England and Wales, wholesale electricity is sold in a spot market partly covered by long-term contracts which hedge the spot price.
This paper examines the use of taxation to control external damage due to pollution when product durability is endogenously determined.