Leonard Green

Leonard Green

Professor of Psychological & Brain Sciences and Economics
​Director of Undergraduate Studies in Psychological & Brain Sciences
PhD, State University of New York
BA, City College

contact info:

mailing address:

  • Washington University
    CB 1125
    One Brookings Drive
    St. Louis, MO 63130-4899

Professor Green studies choice and decision making in humans and non-human animals. 

Green's research on choice extends to the areas of self-control (e.g., choice between smaller/sooner rewards and larger/later rewards), behavioral economics (the conjoining of experimental psychology and economic theories), and the discounting of delayed and probabilistic outcomes. The latter research evaluates the mathematical form of the discount function and whether fundamentally similar processes underlie choice behavior involving delayed and probabilistic gains and losses.

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Outside Press

Washington University Press


Selected Publications

Myerson, J., Baumann, A., & Green, L. (2017). Individual differences in delay discounting:  Differences are quantitative with gains, but qualitative with losses. Journal of Behavioral Decision Making30, 359-372. 

Vanderveldt, A., Oliveira, L., & Green, L. (2016). Delay discounting:  Pigeon, rat, human – Does it matter? Journal of Experimental Psychology: Animal Learning & Cognition42, 141-162

Vanderveldt, A., Green, L., & Myerson, J. (2015). Discounting of monetary rewards that are both delayed and probabilistic: Delay and probability combine multiplicatively, not additively. Journal of Experimental Psychology: Learning, Memory, and Cognition41, 148-162.

Green, L., Myerson, J., & Vanderveldt, A. (2014). Delay and probability discounting.  In F. K. McSweeney & E. Murphy (Eds.), The Wiley-Blackwell handbook of operant and classical conditioning (pp. 307-337). Chichester, West Sussex: John Wiley & Sons, Ltd.

Green, L., & Myerson, J. (2013). How many impulsivities? A discounting perspective. Journal of the Experimental Analysis of Behavior99, 3-13.