Feb 10, 2009 | 1
Do you squander all your dough at the casino? Maybe it's because your DNA is telling you to take risks with your money.
OK, it's not as simplistic as that. But Northwestern University researchers say they've linked two genes with our tendency to be bold or conservative investors, according to their study set to be published tomorrow in PLoS One. The genes regulate the brain's systems of dopamine and serotonin, chemicals important in areas of the brain that are active when we take or shun risk, respectively.
Sep 30, 2008 | 17
If you've been blaming reckless men for the collapse of America's leading investment houses and the plunging markets, you may be on to something. High levels of testosterone are correlated with riskier financial behavior, new research suggests.
Men with more of the sex hormone made riskier investments than guys with lower levels, according to a study published online yesterday in Evolution and Human Behavior. Just how much riskier? Those with 33 percent more testosterone than average men invested 10 percent more of their dough.
The findings are based on saliva samples from 98 male Harvard students taken before they played an investment game with $250 in real money. The students with more masculine facial features, such as prominent jaws and cheekbones, also were riskier with their cash, investing 6 percent more of it than their softer-featured peers.
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