Greed may breed financial fitness, but evolution allows unselfishness to survive

By Tom Siegfried, 10:19 AM May 6, 2013

If greed is good, as Gordon Gekko proclaimed in the 1987 movie Wall Street, then economics ought to be a superlative science.

After all, at the core of economic theory sits a greedy idealization of human nature known as Homo economicus. It’s a fictitious species that represents the individual economic agent, motivated by selfishness. H. economicus is completely rational, by which economists mean it’s out for itself. And selfishness is supposedly the smart strategy when competing for the res...

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