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Published online by Cambridge University Press: 01 January 2025
We use an experiment to examine whether form of payment (cash or mobile money) affects estimates of intertemporal choice and risk taking. We find that form of payment does not affect temporal discounting and risk taking. Given that participants prefer payment via mobile money, the results suggest that there are minimal concerns with using mobile money to pay participants in experimental studies.
We would first like to thank our respondents, without whom this research would not have been possible. This project was first conceived as a group project with 12 students in the Fall 2018 course entitled “Experimental and Behavioral Economics: Time and Uncertainty." One student is a co-author, and we are indebted to our other class colleagues: Taylor Bigony, Anna Brent, Lilly Chen, Rae Conlon, Annie Engen, Jack Gu, Jackson Lovejoy, Matthew Maciag, Chris Maurice, Jacob Miller, and Brooke Veale. We appreciate feedback from Keith M Marzilli Ericson, Michael Kuhn, Karen Levy, Christina Rader, and seminar audiences at Colorado College, LACBEE, University of Massachusetts-Amherst, the Colorado Economics Workshop, and Jain’s ESA mentoring group. We appreciate data assistance from Kevin Rask. We gratefully acknowledge funding from the Colorado College SEGway fund, the Colorado College Social Science Executive Committee, the Colorado College Bruni fund, and the Colorado College Chapman and Souchek research funds. The replication materials for the study are available at https://doi.org/10.3886/E171061V1.