publications

2025

• Caliari, D., and Soraperra, I. (2025). Dishonesty: The role of planning, temptation, and self-control, Journal of Economic Behavior and Organization, 240, 107323.

• Molho, C., Soraperra, I., Schultz, J., and Shalvi, S. (2025). Guilt drives prosociality across 20 countries. Nature Human Behavior, 9, 2199–2211.

• Mol, J.M., Soraperra, I., and van der Weele, J. (2025). Spoiling the party: Experimental evidence on the willingness to transmit inconvenient ethical information. Experimental Economics, 28, 181–199. 

• Bortolotti, S., Soraperra, I., Sutter, M., and Zoller, C. (2025). Too Lucky to be True. Fairness Views under the Shadow of Cheating. The Review of Economics and Statistics, 107, 771–785.

• Leib, M., Köbis, N., and Soraperra, I. (2025). Does AI and Human Advice Mitigate Punishment for Selfish Behavior? An Experiment on AI ethics From a Psychological Perspective Computers in Human Behavior, 171, 108709. 

2024

• Starke, C., Ventura, A., Bersch, C., ... and Köbis, N.  (2024). Risks and protective measures for synthetic relationships. Nature Human Behaviour, 8, 1834–1836. 

• Schmidt, E.M., Bonati, S., Köbis, N., and Soraperra, I. (2024). GPT-3.5 altruistic advice is sensitive to reciprocal concerns but not to strategic risk. Scientific Reports, 14, 22274.

• Cicognani, S., Romagnoli, G., and Soraperra, I. (2024). Fostering trust: When the rhetoric of sharing can backfire. Journal of Economic Psychology, 102, 102728.

• Vu, L., Mohlo, C., Soraperra, I., Fiedler, S., and Shalvi, S. (2024). Giving (in) to help an identified person. Journal of Experimental Social Psychology, 110, 104557. 

2023

• Conte, A., De Santis, G., Hey, J.D., and Soraperra, I. (2023). The determinants of decision time in an ambiguous context. Journal of Risk and Uncertainty,  67, 271–297.

• Vu, L., Soraperra, I., Leib, M., van der Weele, J., and Shalvi, S. (2023). Ignorance by choice: A meta-analytic review of the underlying motives of willful ignorance and its consequences. Psychological Bulletin, 149(9-10), 611–635.

• Soraperra, I., Köbis, N., Shalvi, S., Vogt, S., Efferson, C., and Offerman, T. (2023). A market for integrity. The use of competition to reduce bribery in education, Journal of Behavioral and Experimental Economics, 107, 1-16.

• Huber, C., Dreber, A., Huber, J., Johannesson, M., Kirchler, M., Weitzel, U., ... Holzmeister, F. (2023). Competition and moral behavior: A meta-analysis of forty-five crowd-sourced experimental designs. Proceedings of the National Academy of Sciences, 120(23), e2215572120.

• Soraperra, I., van der Weele, J., Villeval, M. C., and Shalvi, S. (2023). The social construction of ignorance: Experimental evidence. Games and Economic Behavior, 138, 197-213.

2022

• Shalvi, S., Mol, J. M., Molho, C., Vu, L., Leib, M., and Soraperra, I. (2022). Psychological science for a responsible sharing economy. Current Opinion in Psychology, 44, 100-105.

2021

• Leib, M., Köbis, N., Soraperra, I., Weisel, O., and Shalvi, S. (2021). Collaborative dishonesty: A meta-analytic review. Psychological Bulletin, 147, 1241-1268.

• Köbis, N., Dolezalová, B., and Soraperra, I. (2021). Fooled twice: People cannot detect deepfakes but think they can. iScience, 24, 1-17.

• Köbis, N., Soraperra, I., and Shalvi, S. (2021). The Consequences of Participating in the Sharing Economy: A Transparency-Based Sharing Framework. Journal of Management, 47, 317-343.

2020

• Feess, E. , Levati, M. V., Rieser, M. and Soraperra, I. (2020). High‐powered Contracts, Self‐selection and Welfare in Settings with Externalities. Economica, 87, 328-363.

• Fornasari, F., Ploner, M., and Soraperra, I. (2020). Interpersonal risk assessment and social preferences: An experimental study. Journal of Economic Psychology, 77, 102183.

2019

• Köbis, N., Troost, M., Brandt, C., and Soraperra, I. (2019). Social norms of corruption in the field – Social nudges on posters can help to reduce bribery. Behavioural public policy, 1-28.

• Soraperra, I., Suvorov, A., van de Ven, J., and Villeval, M. C. (2019). Doing Bad to Look Good: Negative Consequences of Image Concerns on Pro-Social Behavior. Revue Economique, 70, 945-966.

• Celse, J., Max, S., Steinel, W., Soraperra, I., Shalvi, S. (2019). Uncertain lies: How payoff uncertainty affects dishonesty. Journal of Economic Psychology, 71, 117-125. 

• Soraperra, I., Weisel, O., Ploner, M. (2019). Is the victim Max (Planck) or Moritz? How victim type and social value orientation affect dishonest behavior. Journal of Behavioral Decision Making, 32, 168-178.

2017

• Casal, S., Della Valle, N., Mittone, L., and Soraperra, I. (2017). Feedback and efficient behavior. Plos ONE, 12, 1-21.

• Soraperra, I., Weisel, O., Zultan, R., Kochavi, S., Leib, M., Shalev, H., and Shalvi, S. (2017). The bad consequences of teamwork. Economics Letters, 160, 12-15.

• Levati, M. V., Napel, S., and Soraperra, I. (2017). Collective choices under ambiguity. Group Decisions and Negotiation, 26, 133-149.

2016

• Güth, W., Levati, M. V., Nardi, C., and Soraperra, I. (2016). An ultimatum game with multidimensional response strategies. Review of Behavioral Economics, 3, 281-310.

• Güth, W., Ploner, M., and Soraperra, I. (2016). Buying and Selling Risk. An Experiment Investigating Evaluation Asymmetries. Review of Behavioral Economics, 3, 389-419.

2015

• Güth, W., Levati, M. V., and Soraperra, I. (2015). Common and private signals in public goods games with a point of no return. Resource and Energy Economics, 41, 164-184.

• Soraperra, I., Savadori, L., Mittone, L., and Fraccaroli, F. (2015). Effects of Individual Risk Attitude, Safety Climate, and Affective Commitment on Safety Compliance. Business and Economic Research, 5, 196-226.

Working papers

• Levati, M. V., Soraperra, I., and Yifredew, S. (2023). How to Curb Over-The-Counter Sales of Antibiotics? Evidence from a Field Experiment in Ethiopia, Working Papers 10/2023, University of Verona, Department of Economics (under review in the Journal of Public Economics).

• Onderstal, S., Shalvi, S., Soraperra, I. (2023). Competition modulates buyers’ reaction to sellers’ cheap talk. TI Working paper 23-035/I (revise and resubmit in the Journal of Economic Behavior and Organization).

• Figueroa, C., Mol, J., Soraperra, I., and Van der Weele, J.J. (2025). Giving as a self-control problem. TI Working paper 25-023/I (under review in the Review of Economic Studies).

• Yakura, H., Lopez-Lopez, E., Brinkmann, L., Serna, I., Gupta, P., Soraperra, I., and Rahwan, I. (2025). Empirical evidence of Large Language Model’s influence on human spoken communication. arXiv:2409.01754v3 [cs.CY] (under review in Nature).

• Jiang, Y., Brinkmann, L., Nussberger, A.M., Soraperra, I., Bonnefon, J.F., and Rahwan I. (2025). Humans learn to prefer trustworthy AI over human partners. arXiv:2507.13524v1 [cs.HC].

• Werner, T., Soraperra, I., Calvano, E., Parkes D.C., and Rahwan, I. (2024) Experimental Evidence That Conversational Artificial Intelligence Can Steer Consumer Behavior Without Detection. arXiv:2409.12143 [econ.GN].

Books

• Cappelletti, D., Casal, S., and Soraperra, I. (2016). Microeconomia. Domande ed esercizi con soluzioni ragionate. Milano:McGraw-Hill Education (ISBN: 9788838675294).