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), November 2021 (Forthcoming). Abstract An index-based exchange traded fund (ETF) with underlying securities that trade on the same market…

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), November 2021 (Forthcoming). Abstract Real-time payments (RTPs) allow consumers to receive funds before the completion of payment clearing and settlement.…
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SRG receives grant from Center on Long-Term Risk

SRG recently obtained funding from the Center on Long-term Risk, the research wing of the Effective Altruism Foundation, for a project titled "An Empirical Game-Theoretic Approach to Bargaining Problems" (see project page for further detail…
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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…
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Max Smith defends thesis proposal

On 27 April 2021, Max Smith presented and successfully defended his dissertation proposal titled "On Efficient Deep Multiagent Reinforcement Learning Through Transfer Learning". The dissertation committee comprises: Michael Wellman [chair] …

A Strategic Analysis of Portfolio Compression

K Mayo and MP Wellman 2nd ACM International Conference on AI in Finance (ICAIF), November 2021 (Forthcoming). Extended abstract appeared in 20th International Conference on Autonomous Agents and Multiagent Systems (AAMAS), pages 1599-1601,…

Evolution Strategies for Approximate Solution of Bayesian Games

Z Li and MP Wellman 35th AAAI Conference on Artificial Intelligence, pages 5531-5540, Feb 2021. Abstract We address the problem of solving complex Bayesian games, characterized by high-dimensional type and action spaces, many (> 2) players,…

Iterative Empirical Game Solving via Single Policy Best Response

M Smith, T Anthony, and MP Wellman 9th International Conference on Learning Representations (ICLR), Spotlight Presentation, May 2021. Abstract Policy-Space Response Oracles (PSRO) is a general algorithmic framework for learning policies in…