The stock price clustering phenomenon has been studied in the context of numerical perception and response. The numerical response process of the theory of prominence models how persons generate numerical responses if they have diffuse numerical information (know a range of reasonable...

The selection between Pareto-optimal outcomes in two-person bargaining with the right to make a proposal and without this right are considered. Concepts for the selection without the right to make a proposal are the Nash criterion, the Kalai-Smorodinsky criterion, the egalitarian solution, the...

The paper presents the concept of an "imitation equilibrium" and explores it in the context of some simple oligopoly models. The concept applies to normal form games enriched by a "reference structure" specifying a "reference group" for every player. The reference group is a set of other...