The IES began to award the Avinash K. Dixit Prize in International Economics in 2015-2016. (From 2009-2010 through 2013-2014, the prize was known as the Harry G.A. Seggerman ’49 Prize.) The following is a list of past prize winners.
| 2009-2010: | Tomasz Święcki | |
| 2010-2011: | Karyne Charbonneau and Diogo Guillen | |
| 2011-2012 | Cecile Gaubert | |
| 2012-2013 | Dávid Krisztián Nagy and Kevin Lim | |
| 2013-2014 | Chang Sun | |
| 2015-2016 | Federico Huneeus and Mathis Maehlum | |
| 2016-2017 | Adrien Bilal and Yann Koby | |
| 2017-2018 | Mathilde Le Moigne | |
| 2018-2019 | José Luis Cruz Álvarez | |
| 2019-2020 | Juan Manuel Castro Vincenzi and Binyamin Kleinman Oleansky |