Winners of the Nobel Prize in Economic Sciences British-American economist Oliver Hart (L) and Bengt Holmstrom of Finland are displayed on a screen during a press conference to announce the winner of the 2016 Nobel Prize in Economic Sciences at the Royal Swedish Academy of Sciences in Stockholm on October 10, 2016.
Hart and Holmstrom won the Prize for their work on contract theory, the jury said. / AFP / JONATHAN NACKSTRAND        (Photo credit should read JONATHAN NACKSTRAND/AFP/Getty Images)
CAMBRIDGE, MA - OCTOBER 10:  Harvard Professor Oliver Hart during a press conference at Harvard announcing his shared Nobel Prize in Economics with MIT Professor Bengt Holmstrom on October 10, 2016 in Cambridge, Massachusetts. Hart and Holmstrom won the prize for their work on contract theory. (Photo by Scott Eisen/Getty Images)
CAMBRIDGE, MA - OCTOBER 10:  MIT Professor Bengt Holmstrom during a press conference at MIT announcing his shared Nobel Prize in Economics with Harvard Professor Oliver Hart on October 10, 2016 in Cambridge, Massachusetts. Holmstrom and Hart won the prize for their work on contract theory. (Photo by Scott Eisen/Getty Images)