Richard H. Thaler receiving his Prize from H.M. King Carl XVI Gustaf of Sweden at the Stockholm Concert Hall, 10 December 2017. Copyright © Nobel Media AB 2017
Photo: Pi Frisk

Richard H. Thaler after receiving his Prize at the Stockholm Concert Hall, 10 December 2017. Copyright © Nobel Media AB 2017
Photo: Pi Frisk

Richard H. Thaler on stage. Copyright © Nobel Media AB 2017
Photo: Pi Frisk

Overview from the Nobel Prize Award Ceremony at the Stockholm Concert Hall, 10 December 2017. Copyright © Nobel Media AB 2017
Photo: Pi Frisk

Like many Laureates before him, Richard H. Thaler autographs a chair at the 2017 Nobel Laureates' Get together at the Nobel Museum in Stockholm on 6 December 2017. Copyright © Nobel Media AB 2017
Photo: Alexander Mahmoud

Richard Thaler stands on his back terrace after the announcement of the 2017 Prize in Economic Scinces, on 9 October 2017.

Photo: University of Chicago/Anne Ryan.

Richard Thaler poses with his books after the announcement of the 2017 Prize in Economic Scinces, on 9 October 2017.

Photo: University of Chicago/Anne Ryan.

Richard Thaler consults his wife France Leclerc about which shirt to wear for the interviews after being awarded the Prize in Economic Sciences on 9 October 2017.

Photo: University of Chicago/Anne Ryan.