This discussion paper resulted in a publication in 'Games and Economic Behavior', 2007, 59, 85-104. <P> We consider cooperative games with transferable utility (TU-games), in which we allow for a social structure on the set of players. The social structure is utilized to refine the core of the...</p>

Exploitation of non–renewable resources is an intensively studied field of environmental economics in the last century. Since the influential Hotelling’s paper a huge progress is made in the depletable resources literature. Although a variety of methodologies is used in that problem’s...

This research conducts a review of theoretical and practical developments of Markov processes in the specialized literature, highlighting their recent advances and showing their potential for their technical goodness, in modeling the decision making processes of rational agents adding more...

This discussion paper led to a publication in 'Social Choice and Welfare', 2005, 24, 439-454.<P> Many economic and social situations can be represented by a digraph. Both axiomatic and iterativemethods to determine the strength or power of all the nodes in a digraph have been proposed inthe...</p>

The paper investigates the stability of the International Environmental Agreement in a model of emission reduction. We consider a two stage game, in which in the first stage each country decides whether or not to join the agreement while, in the second stage, the quantity of emissions reduction...

Capital allocation is used for many purposes in financial institutions and for this purpose several methods are known. The aim of this paper is to review possible methods (we present six of them) and to help financial companies to choose between the methods. There are some properties that an...

This case introduces the deepest unanswered question in computer science, a problem called P vs. NP. Using an analogy of sudoku, we try to understand the core ask of this problem and where the main dilemma lies. We then explore few technical jargons specific to understand this question and...

General deviation measures, which include standard deviation as a special case but need not be symmetric with respect to ups and downs, are defined and shown to correspond to risk measures in the sense of Artzner, Delbaen, Eber and Heath when those are applied to the difference between a random...

We study a game theoretic model of the conflict which arises between a monetary authority and the private sector with regard to the inflation-rate. Building on the simple static Barro and Gordon model, we assume that rather than playing a one shot game, the monetary authority and private sector...