Income Inequality in Action, Monkey-Style

Legendary primatologist Frans de Waal presents a video in which two capuchin monkeys are given unequal pay for equal work. One of them gets paid in cucumbers, the other in grapes. Can you guess which one is happier?

Tierney on Keith Chen, Monty Hall, and Psychology Experiments

John Tierney hits a home run with this fantastic column about a recent paper by Keith Chen (whose work on capuchin monkeys has previously caught our attention). The Monty Hall problem is as follows: You are chosen to compete on Let’s Make a Deal. There are three curtains. Behind one of the curtains is something […]

On This Date in History …

On April 12, 2005, Freakonomics was published. We had high hopes and low expectations. From what I recall, nothing magical happened on that day. But at 12:01 a.m. on the morning of April 13, this Wall Street Journal review appeared. It was the kind of review that, in the theater, is known as a “money […]

Freakonomics in the Times Magazine: Monkey Business

Dubner and Levitt are writing a new monthly column in the New York Times Magazine. The column, like their book, is called "Freakonomics." The first installment, "Monkey Business," concerns a young Yale economist who is teaching capuchin monkeys to use money. Read this post for bonus matter.