Israel Zang

On Functions Whose Stationary Points Are Global Minima. (2002)

Zang,Israel, Choo,Eng Ung, Avriel,Mordecai

In this paper a characterization of functions whose stationary points are global minima is studied. By considering the level sets of a real function as a point-to-set mapping, and by examining its...

Research Joint Ventures and R&D Cartels.

Kamien, Morton I, Muller, Eitan, Zang, Israel

The authors analyze the effects of R&D cartelization and research joint ventures on firms that engage in either Cournot or Bertrand competition in their product market. Research efforts, which...

Competing Research Joint Ventures.

Kamien, Morton I, Zang, Israel

Research and development (R&D) competition among firms has recently been extended to R&D competition involving research joint ventures. It was previously shown that in an industry conducting...

Bundling by Competitors and the Sharing of Profits

Victor Ginsburgh, Israel Zang

We discuss the effects of bundling two goods offered by two symmetric firms. This situation requires the use of some sharing rule for the profits from the sales of the bundle. We show that the choice...

Supportability, Sustainability, and Subsidy-Free Prices

Leonard J. Mirman, Yair Tauman, Israel Zang

This article studies the relationships among the concepts of subsidy-free prices, anonymously equitable prices, supportability, and sustainability. In particular, we set out conditions under which...

The Limits of Monopolization through Acquisition.

Kamien, Morton I, Zang, Israel

The authors address the question of whether competitive acquisition of firms by their rivals can result in complete or partial monopolization of a homogeneous product industry. This question is...

"Costless" regulation of monopolies with large entry cost: A game theoretic approach

Moshe Bar Niv, Israel Zang

A major issue within the realm of Antitrust policy is the regulation of existing monopolies. We describe a new potential indirect scheme for regulating a natural monopoly that arises from high entry...