The Great Illusion: Ignorance, Informational Cascades, and the Persistence of Unpopular Norms

Cristina Bicchieri and Yoshitaka Fukui

Business Ethics Quarterly, 1999, vol. 9, issue 1, 127-155

Abstract: Norms of discrimination against women and blacks, norms of revenge still alive in some Mediterranean countries, and norms that everybody dislikes and tries to circumvent, such as the invisible norms of reciprocity that hold among the Iks studied by Turnbull, are all examples of unpopular and inefficient norms that often persist in spite of their being disliked as well as being obviously inefficient from a social or economic viewpoint. The world of business is not immune to this problem. In all those countries in which corruption is endemic, bribing public officials to get lucrative contracts is the norm, but it is often true that such a norm is disliked by many, and that it may lead to highly inefficient social outcomes (Bicchieri and Rovelli 1995).From a functionalist viewpoint such norms are anomalous, since they do not seem to fulfill any beneficial role for society at large or even for the social groups involved in sustaining the norm. In many cases it would be possible to gain in efficiency by eliminating, say, norms of racial discrimination, in that it would be possible to increase the well-being of a racial minority without harming the rest of society. To social scientists who equate persistence with efficiency, the permanence of inefficient norms thus presents an anomaly. They rest their case on two claims: when a norm is inefficient, sooner or later this fact will become evident. And evidence of inefficiency will induce quick changes in the individual choices that sustain the norm. That is, no opportunity for social improvement remains unexploited for long. Unfortunately, all too often this is not the case, and this is not because people mistakenly believe inefficient norms to be good or efficient.

Date: 1999
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