An overlapping generations model with the double infinity of commodities and agents is the most fundamental framework to introduce outside money into a static economic model. In this model, competitive equilibria may not necessarily be Pareto-optimal. Although Samuelson (1958) emphasized the...

In this paper, we investigate a new concept of a market's commodity-information structure (a partition of the set of real goods that are treated as one commodity for market exchanges) and technologies relat- ing to it, commodity-information technologies. Using this concept, we can always...

This paperfs main purpose is to introduce a new concept of the marketfs commodity-information structure (a partition of the set of real goods that are treated as one commodity for market ex- changes) on which we base our ordinary static general equilibrium arguments and settings to analyze...

This paper is an attempt to incorporate the human ability of recognition, especially, the ability to recognize the society to which they belong, with the economic equilibrium theory characterized by a description of society through individual rational behaviors. Contents may be classied into the...

In this paper, we give a general equilibrium model of the financial structure including money, bonds, and several banks and their integration and abolition. We treat a bank as a coalition of members of the society, (not as a member of the society), and use the social coalitional equilibrium...