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Sociotropes, Systematic Bias, and Political Failure: Reflections on the Survey of Americans and Economists on the Economy

Objectives. Economic models of politics typically make two assumptions about voters: first, their motives are egocentric, not sociotropic; second, their beliefs are rational, not subject to systematic bias. Political scientists have presented strong evidence against the first assumption (Mansbridge, 1990), but have become increasingly willing to accept the second (Page and Shapiro, 1992; Marcus and Hanson, 1993). This article tests these two assumptions, then explores the tests’ broader implications. Methods. I use the Survey of Americans and Economists on the Economy to test for egocentricity of motivation and rationality of belief. Results. Both standard assumptions fail for the case where the economic approach would seemingly be most relevant: economic beliefs. Conclusions. This is not necessarily cause for greater optimism about the efficiency of democracy: sociotropic voters with biased economic beliefs are more likely to produce severe political failures than are selfish voters with rational expectations.