Solving Structured Hierarchical Games Using Differential Backward Induction

Z Li, F Jia, A Mate, S Jabbari, M Chakraborty, M Tambe, and Y Vorobeychik 38th Conference on Uncertainty in Artificial Intelligence (UAI), 2022 (Forthcoming) Previous version presented at ICLR Workshop on Gamification and Multiagent…

Evaluating Strategy Exploration in Empirical Game-Theoretic Analysis

Y Wang, Q Ma and MP Wellman 21st International Conference on Autonomous Agents and Multi-Agent Systems (AAMAS), 2022 (Forthcoming). Abstract In empirical game-theoretic analysis (EGTA), game models are extended iteratively through a process…

Stability Effects of Arbitrage in Exchange Traded Funds: An Agent-Based Model

M Shearer, D Byrd, TH Balch, and MP Wellman 2nd ACM International Conference on AI in Finance (ICAIF), Article No.: 49, pages 1–9, November 2021. Abstract An index-based exchange traded fund (ETF) with underlying securities that trade on…

Timing is Money: The Impact of Arrival Order in Beta-Bernoulli Prediction Markets

B Martin, S Kutty, and M Chakraborty 2nd ACM International Conference on AI in Finance (ICAIF), Article No.: 41, pages 1–9, November 2021 (Forthcoming). Abstract Prediction markets are incentive-based mechanisms for eliciting and combining…

An Agent-Based Model of Strategic Adoption of Real-Time Payments

K Mayo, S Fozdar, and MP Wellman 2nd ACM International Conference on AI in Finance (ICAIF), Article No.: 45, pages 1–9, November 2021. Abstract Real-time payments (RTPs) allow consumers to receive funds before the completion of payment…

Building Action Sets in a Deep Reinforcement Learner

Y Wang, A Sinha, S CH-Wang, and MP Wellman 20th IEEE International Conference on Machine Learning and Applications (ICMLA-21), pages 484–489, December 2021. Abstract In many policy-learning applications, the agent may execute a set of actions…

Designing a Combinatorial Financial Options Market

X Wang, DM Pennock, NR Devanur, DM Rothschild, B Tao, and MP Wellman 22nd ACM Conference on Economics and Computation (EC), pages 864-883, July 2021. Abstract Financial options are contracts that specify the right to buy or sell an underlying…
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Megan Shearer defends thesis proposal

On June 1 2021, Megan Shearer presented and successfully defended her dissertation proposal titled "Modeling Trading Strategies in Financial Markets with Data, Simulation, and Deep Reinforcement Learning". The dissertation committee comprises: …

Spoofing the Limit Order Book: A Strategic Agent-Based Analysis

X Wang, C Hoang, Y Vorobeychik, and MP Wellman Games 2021 12(2) 46, May 2021. Abstract We present an agent-based model of manipulating prices in financial markets through spoofing: submitting spurious orders to mislead traders who learn from…

Log-time Prediction Markets for Interval Securities

M Dudík, X Wang, D Pennock, and D Rothschild 20th International Conference on Autonomous Agents and Multiagent Systems (AAMAS), pages 465-473, May 2021. Abstract We design a prediction market to recover a complete and fully general probability…