The Myth of the Rational Voter: Why Democracies Choose Bad Policies is a 2007 book written by Bryan Caplan challenging the notion that voters are reasonable people that society can trust to make laws. Rather, Caplan contends that voters are irrational in the political sphere and have systematically biased ideas concerning economics. ...
The book is notable in use of irrationality, a rare assumption in economics. Yet the work is also a challenge to conventional public choice, where voters are seen as rationally ignorant. Conventional public choice either emphasizes the efficiency of democracy (as in the case of Donald Wittman) or, more commonly, democratic failure due to the interaction between self-interested politicians or bureaucrats, well-organized, rent-seeking minority interests and a largely indifferent general public (as in the work of Gordon Tullock, James M. Buchanan, and many others). Caplan, however, emphasizes that democratic failure does exist and places the blame for it squarely on the general public. He makes special emphasis that politicians are often caught between a rock and a hard place: thanks to advisors, they know what policies would be generally beneficial, but they also know that those policies are not what people want. Thus they are balancing good economic policy (so they don’t get voted out of office due to slow growth) and bad economic policy (so they don’t get voted out of office due to unpopular policies).
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