RESEARCH INTERESTS

PUBLICATIONS

• 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)

TOPICS FOR DEGREE THESIS

The suggestions represent broad subject areas. The precise topics will be assigned to each student after consultation.

• AI and Human Decision-Making


• Algorithms and Human Decision-Making


• Behavioral Economics


• Emotions and Human Decision-Making


• Moral Behavior


• Behavioral Environmental Economics