Research Interest
- Experimental Economics
- Artificial Intelligence, Algorithmic Decision-Making & Economic Behavior
- (Behavioral) Industrial Organization & Consumer Behavior
- Alexander Erlei, Federico Cau, Radoslav Georgiev, Sagar Kumar, Kilian Bizer, Ujwal Gadiraju: When Life Gives You AI, Will You Turn It Into A Market for Lemons? Understanding How Information Asymmetries About AI System Capabilities Affect Market Outcomes and Adoption. Forthcoming: Proceedings of the 2026 CHI Conference on Human Factors in Computing Systems (CHI 2026)
- Alexander Erlei, Tahir Abbas, Kilian Bizer, Ujwal Gadiraju: The Data-Dollars Tradeoff: Privacy Harms vs. Economic Risk in Personalized AI Adoption. Forthcoming: Proceedings of the 2026 CHI Conference on Human Factors in Computing Systems (CHI 2026)
- Shreyan Biswas, Alexander Erlei, Ujwal Gadiraju: Belief Updating and Delegation in Multi-Task Human–AI Interaction: Evidence from Controlled Simulations. Forthcoming: Proceedings of the 2026 CHI Conference on Human Factors in Computing Systems (CHI 2026)
- Shreyan Biswas, Alexander Erlei, Ujwal Gadiraju: Mind the Gap! Choice Independence in Using Multilingual LLMs for Persuasive Co-Writing Tasks in Different Languages. Proceedings of the 2025 CHI Conference on Human Factors in Computing Systems (CHI 2025)
- Alexander Erlei, Abhinav Sharma and Ujwal Gadiraju: Understanding Choice Independence and Error Types in Human-AI Collaboration. Proceedings of the 2024 CHI Conference on Human Factors in Computing Systems (CHI 2024)
- Alexander Erlei, Risheek Das, Lukas Meub, Avishek Anand and Ujwal Gadiraju: For What It's Worth: Humans Overwrite Their Economic Self-Interest to Avoid Bargaining With AI Systems. Proceedings of the 2022 CHI Conference on Human Factors in Computing Systems (CHI 2022)
- Alexander Erlei, Franck Awounang Nekdem, Lukas Meub, Avishek Anand and Ujwal Gadiraju: Impact of Algorithmic Decision Making on Human Behavior: Evidence from Ultimatum Bargaining. Proceedings of the 8th AAAI Conference on Human Computation and Crowdsourcing (HCOMP 2020, Best Student Paper Award).
- Avishek Anand, Kilian Bizer, Alexander Erlei, Ujwal Gadiraju, Christian Heinze, Lukas Meub, Wolfgang Nejdl and Bjoern Steinroetter: Effects of Algorithmic Decision-Making and Interpretability on Human Behavior: Experiments using Crowdsourcing. AAAI HCOMP 2018, Zürich, Switzerland
- AI and Human Decision-Making
- Algorithms and Human Decision-Making
- Behavioral Economics
- Emotions and Human Decision-Making
- Moral Behavior
- Behavioral Environmental Economics
Publications
Topics for Degree Theses
The suggestions represent broad subject areas. The precise topics will be assigned to each student after consultation.