When it comes to trade, chimps are far from venture capitalists. Our closest relatives almost always prefer a sure bet, according to a recent study, choosing value in hand over risk for higher returns. The finding brings us closer to understanding chimps' trading habits and gives us precious insight into how trade, an essential cooperative behavior, works for humans. To conduct the study, researchers started with two groups of chimps: one with little exposure to social and cognitive testing and no trading experience, and one with extensive bartering practice and language training. The scientists determined which food each chimp liked best. Then they assigned values to the foods. Finally, they taught the inexperienced chimps how to trade with tokens and food.
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