10 i Introduction ii Two-person Zero-sum Games iii The Prisoner's Dilemma iv Experiments
in Oligopolistic Situations The Role of Entry in Oligopoly i Introduction ii The Limit Price iii …

THE importance of entry as a determinant of price has been known since Adam Smith: If
entry is everywhere perfectly free, long-run equilibrium is featured by a uniform rate of profits …

BOTH JS Bain (1956) and Paolo Sylos Labini (1962) have revealed important effects of
entry conditions on pricing behavior in oligopolies. In particular, whenever the minimal …

Two crucial assumptions frequently made in industrial organization are that an established
firm deters entry either by a constant high output (the Sylos Postulate) or by high excess …

This paper analyzes a model of duopoly with fixed costs. Leadership by one" established"
firm may yield an outcome in which the second is inactive, but entry prevention is not a prior …

It is well known, since Bain [1], that established firms with advantages over potential en-
trants may impede entry by limit pricing. Motivated by the limit pricing hypothesis, Kamien …

The study of entry in oligopoly theory is largely concerned with the nature of incentives and
barriers facing potential entrants into an industry and the consequences of these factors on …

Formally, the market is regarded as a supergame in which one established firm and one
potential entrant are players. Both players know all relevant demand and cost functions, and …

This is a chapter of a book manuscript entitled Topics in Microeconomics. Comments,
criticism and recommendations are welcome. The chapter starts with an elementary …

Conditions are outlined under which it is a sequential equilibrium for firms to forgo current
profit to reduce the likelihood of entry, if firms are uncertain about rivals' costs. The …