Researchers from ETH Zurich have been exploring the question of whether prejudices might be rational under certain conditions.
Using game theory, they created various scenarios and played them fifteen million times.
The researchers have now reached a conclusion: those who are prejudiced are soon at a disadvantage, as they learn nothing new and miss many opportunities.
(Thomas Chadefaux, Dirk Helbing. The Rationality of Prejudices. PLoS ONE, 2012; 7 (2): e30902)
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