Human behavior is not always consistent with standard rational choice predictions. The much-investigated variety of apparent deviations from rational choice predictions provides a promising arena for the merger of economics and biology. Although little is known about the extent to which other...

The endowment effect is the seemingly irrationally tendency to immediately value a possessed item more than the opportunity to acquire the identical item when one does not already possess it. The phenomenon has broad legal implications, as it suggests a drag on trade, occasioned by inconsistent...