Researchers shed light on trading behavior in animals -- and humans

Humans, from ancient exchanges of food to modern day home mortgages, have bartered or traded to receive something that they couldn't achieve on their own. It's the basis of the economy, and it requires a leap of faith to believe that each party will receive a payoff in return for taking a risk.

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<p><a href="http://www.physorg.com/news163677392.html">Researchers shed light on trading behavior in animals -- and humans</a></p> <p>Humans, from ancient exchanges of food to modern day home mortgages, have bartered or traded to receive something that they couldn't achieve on their own. It's the basis of the economy, and it requires a leap of faith to believe that each party will receive a payoff in return for taking a risk.</p>