‘Decision Science’ Existed Decades Before Michael Lewis’ ‘Moneyball’

Brad Pitt, left, and Jonah Hill in the 2011 film, 'Moneyball' (Melinda Sue Gordon/Columbia Pictures/Courtesy Everett Collection)
Brad Pitt, left, and Jonah Hill in the 2011 film, 'Moneyball' (Melinda Sue Gordon/Columbia Pictures/Courtesy Everett Collection)
Brad Pitt, left, and Jonah Hill in the 2011 film, 'Moneyball' (Melinda Sue Gordon/Columbia Pictures/Courtesy Everett Collection)
Brad Pitt, left, and Jonah Hill in the 2011 film, ‘Moneyball’ (Melinda Sue Gordon/Columbia Pictures/Courtesy Everett Collection)

 

“Decision science,” popularized by the book and its film adaptation Moneyball, is not a new concept despite its profound applications from investing to politics. You can basically thank the book’s author, Michael Lewis, for the new data-driven research field that he wrote about involving the Oakland Athletics baseball team and its front office’s ability to draft top talent based on statistical analysis.

Given its small team budget, the A’s used one aspect of game theory to find its success. If you’re unfamiliar with the concept of decision science, it’s the application of mathematics to overcome biases and take advantage of opportunities found in lapses of conventional judgment (see below).

 

Only after the book’s release and the critical success that followed, did Lewis realize that Daniel Kahneman and Amos Tversky, two Israeli psychologists, had devoted their entire professional lives to the field of decision science. “Until that moment I don’t believe I’d ever heard of either Kahneman or Tversky, even though one of them had somehow managed to win a Nobel Prize in economics,” Lewis admitted in a recent piece for Vanity Fair. He continued:

“How did this pair of Israeli psychologists come to have so much to say about these matters of the human mind that they more or less anticipated a book about American baseball written decades in the future? What possessed two guys in the Middle East to sit down and figure out what the mind was doing when it tried to judge a baseball player, or an investment, or a presidential candidate? And how on earth does a psychologist win a Nobel Prize in economics?”

Israeli paratroopers march October 25, 1973 along the Suez-Cairo road on the western bank of the Suez Canal during the Yom Kippur War. Current Israeli Prime Minister Ariel Sharon, then a general in the Israeli army, refused to rule out another surprise attack similar to the one launched by the Arab armies when they struck against Israeli troops in the Sinai Desert and Golan Heights on the holiest day of the Jewish calendar on October 6, 1973. (Ilan Ron/GPO/Getty Images)
Israeli paratroopers march October 25, 1973, along the Suez-Cairo road on the western bank of the Suez Canal during the Yom Kippur War (Ilan Ron/GPO/Getty Images)

 

Lewis asks and answers these question in his riveting tale of two men, who were way ahead of their time—and who would later bring their expertise to the Israeli military in the ’60s and ’70s.

The story of Kahneman and Tversky’s groundbreaking project, though, is largely one of a missed opportunity. The two researchers found decision science promising, but thought others would fail to apply it.

To find out why, read the Vanity Fair feature here. Learn how Daniel Kahneman applies decision science to poor financial planning in another video from the psychologist below.

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