Children are not prejudiced against classmates with disabilities when they begin school - suggesting that negative attitudes are learned rather than instinctive, say researchers.

BBC: News | Education | Children learn prejudice against disabled

Their success proves, if nothing else, that Russian consumers are as shrewd and sceptical as any other country's consumers: they are not arbitrarily prejudiced against Russian manufactured goods, but they demand international standards of performance and reliability from the products they buy.

ECONOMIST: Russian computers

Many employers remain prejudiced against older workers, and not always without reason: performance in manual jobs does drop off in middle age, and older people are often slower on the uptake and less comfortable with new technology.

ECONOMIST: Ageing in the rich world

Since a price must be paid for prejudice, many economists have suggested (though Mr Becker's own model does not necessarily imply this) that in fully competitive markets discrimination should eventually disappear, because prejudiced firms will fail.

ECONOMIST: Race, sex and the dismal science | The