This is a preliminary version of a chapter of a prospective book which springs from concerted effort among several researchers in the field of industrial economics. This chapter is devoted to recent development in research on strategic investment. We start with a brief overview on the past...

In an oligopoly supergame, firms' actions in prices and quantities are subject to non-negativity constraints. These constraints can obstruct the practicability of optimal punishment (a la Abreu (1986), Lambson (1987), and Hackner (1996)) in sustaining tacit collusion. Noting that the prospect of...

It has been shown that if buyers have zero search cost and the remainder a common positive search cost, and sellers post prices, then there is a unique symmetric Nash equilibrium-sellers choose a price distribution. We show that increasing the number of search cost types results in another...

This is a draft of a chapter for a book called "Game Theory, 5 Questions," to be published by Automatic Pressed/VIP.Below are five questions and my answers. Any feedback is appreciated.

In an eort to stimulate a more exciting and entertaining style of play, the National Hockey Association (NHL) changed the rewards associated with the results of overtime games. Under the new rules, teams tied at the end of regulation both receive a single point regardless of the outcome in...

This is the first projected series of papers on solutions to games in matrix and extensive form.

We introduce a model of the 2 x 2 games played by agents or subordinates of the players. We assume that each agent or subordinates of the players. We assume that each agent is not as perceptive as his commander in that he can make only two distinctions among the four outcomes whose value can be...

There are many situations in which a customer's proclivity to buy the product of any firm depends not only on the classical attributes of the product such as its price and quality, but also on who else is buying the same product. We model these situations as games in which firms compete for...