The paper
Attema, Arthur E., Han Bleichrodt, Yu Gao, Zhenxing Huang, & Peter P. Wakker (2016) “Measuring Discounting without Measuring Utility,” American Economic Review 106, 1476-1494
was on the five-paper shortlist for the Exeter 2017 prize. A report is on pp. 6-7 of the JDM newsletter of October 2017.