Cem Peker's Research Homepage

I am a postdoctoral researcher at New York University Abu Dhabi. My research interests are behavioral economics, decision making and crowd wisdom. 

My CV is available here. You can contact me at cem.peker@nyu.edu. 

Working papers

• Peer betting to elicit unverifiable information (with Aurélien Baillon and Sophie van der Zee) (Working paper)

• Expert decisions under pressure: Evidence from professional tennis (with John Wooders) (Working paper)

• Identifying wise crowds: A structural approach

• Incentives for AI supervision without ground truth labels (with Aurélien Baillon and Qing Li)

Publications

• Peker, C. (2026). Optimal linear aggregation of correlated expert judgments. Economics Letters, 112855. https://doi.org/10.1016/j.econlet.2026.112855 (Working paper)

• Peker, C., & Wilkening, T. (2025). Robust recalibration of aggregate probability forecasts using meta-beliefs. International Journal of Forecasting, 41 (2), 613-630. https://doi.org/10.1016/j.ijforecast.2024.09.005 (Working paper)

• Peker, C. (2024). Incentives for self-extremized expert judgments to alleviate the shared-information problem. Decision, 11 (1), 150172. https://doi.org/10.1037/dec0000198 (Working paper)

• Peker, C. (2023). Extracting the collective wisdom in probabilistic judgments. Theory and Decision, 94 (3), 467-501. https://doi.org/10.1007/s11238-022-09899-4 (Working paper)