Social welfare for an economy of angelic agents

Aldo Montesano

International Review of Economics, 2018, vol. 65, issue 2, No 4, 185-200

Abstract: Abstract This paper analyzes an economy in which all agents are pursuing the common good (or social welfare) but choices are decentralized, i.e., each agent can choose his/her action in the set of the actions that he/she can perform. One wonders if it is enough the common goal of maximizing social welfare to their will be achieved. The paper examines both the cases in which the choice made by each agent does not directly influence those of other agents, as in the competitive equilibrium analysis, and the case in which there is a direct influence, as in the game theory analyses. In the first case, we get that the common goal of maximizing social welfare is not enough to reach it, but it is necessary to coordinate the actions of individual agents by extending information to redistribute initial endowments and by introducing an appropriate social organization. We get the maximum social welfare without further intervention for the cases describable with the theory of games, but only for games of complete information. If the information is incomplete, some further coordination is generally required.

Keywords: Social welfare; Social coordination; Competitive equilibrium; Nash equilibrium (search for similar items in EconPapers)
JEL-codes: A10 D60 (search for similar items in EconPapers)
Date: 2018
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DOI: 10.1007/s12232-018-0292-0

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