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A Communitarian Utility Function and its Social and Economic Implications
Published online by Cambridge University Press: 05 December 2008
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The term ‘communitarianism’ is often identified with ‘altruism’: an individual is taken to be communitarian-minded if he or she is concerned with the well-being of others, and not only with his or her own well-being. While communitarianism may embrace altruism, it is most appositely viewed as having a broader connotation. Consider, for example, the puzzle of voting behaviour, discussed by Amitai Etzioni (1988) and many others (including, very recently, Aldrich (1997)). Casting one's vote entails a cost, albeit usually a small one: however, if there are large numbers voting, then one's own vote has a negligible effect on the outcome. An altruist might therefore rationally refrain from voting (just as an entirely self-interested individual would), since he incurs a cost, and neither he nor anybody else receives a benefit. And yet, millions of people the world over regularly vote in elections. Other examples could also be given.
‘Group-oriented’ behaviour has been the focus of a number of recent studies. C. Clague (1993), for example, examines the roles of guilt and shame in discouraging tax evasion, and informally discusses how social influences may affect the strength of these sentiments. R. Naylor and M. Cripps (1993) examine the influence of social custom on individuals' propensity to join trade unions, while P. Nelson (1994) argues that in choosing which party to vote for people assign some weight to the preferences of persons they associate with.
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