The Source Computing Blog

Would you rather earn $50,000 a year while other people make $25,000, or would you rather earn $100,000 a year while other people get $250,000? Assume for the moment that prices of goods and services will stay the same.

Surprisingly — stunningly, in fact — research shows that the majority of people select the first option; they would rather make twice as much as others even if that meant earning half as much as they could otherwise have. How irrational is that?

This result is one among thousands of experiments in behavioral economics, neuroeconomics and evolutionary economics conclusively demonstrating that we are every bit as irrational when it comes to money as we are in most other aspects of our lives. In this case, relative social ranking trumps absolute financial status. Here’s a related thought experiment. Would you rather be A or B?

A is waiting in line at a movie theater. When he gets to the ticket window, he is told that as he is the 100,000th customer of the theater, he has just won $100.

B is waiting in line at a different theater. The man in front of him wins $1,000 for being the 1-millionth customer of the theater. Mr. B wins $150.

Amazingly, most people said that they would prefer to be A. In other words, they would rather forgo $50 in order to alleviate the feeling of regret that comes with not winning the thousand bucks. Essentially, they were willing to pay $50 for regret therapy.

Regret falls under a psychological effect known as loss aversion. Research shows that before we risk an investment, we need to feel assured that the potential gain is twice what the possible loss might be because a loss feels twice as bad as a gain feels good. That’s weird and irrational, but it’s the way it is.

Human as it sounds, loss aversion appears to be a trait we’ve inherited genetically because it is found in other primates, such as capuchin monkeys. In a 2006 experiment, these small primates were given 12 tokens that they were allowed to trade with the experimenters for either apple slices or grapes. In a preliminary trial, the monkeys were given the opportunity to trade tokens with one experimenter for a grape and with another experimenter for apple slices. One capuchin monkey in the experiment, for example, traded seven tokens for grapes and five tokens for apple slices. A baseline like this was established for each monkey so that the scientists knew each monkey’s preferences.

The experimenters then changed the conditions. In a second trial, the monkeys were given additional tokens to trade for food, only to discover that the price of one of the food items had doubled. According to the law of supply and demand, the monkeys should now purchase more of the relatively cheap food and less of the relatively expensive food, and that is precisely what they did. So far, so rational. But in another trial in which the experimental conditions were manipulated in such a way that the monkeys had a choice of a 50% chance of a bonus or a 50% chance of a loss, the monkeys were twice as averse to the loss as they were motivated by the gain.


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