An Agent-Based Model of Financial Benchmark Manipulation

M Shearer, G Rauterberg, and MP Wellman ICML Workshop on Applications and Infrastructure for Multi-Agent Learning, June 2019 Abstract Financial benchmarks estimate market values or reference rates used in a wide variety of contexts, but are…
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SRG receives Facebook research award

Our proposal titled "Empirical game-theoretic analysis for web-enabled simulation" sent in response to the request launched by Facebook Research for proposals on agent-based user interaction simulation to find and fix integrity and privacy issues…

Learning-Based Trading Strategies in the Face of Market Manipulation

X Wang, C Hoang, and MP Wellman ACM International Conference on AI and Finance, October 2020. Abstract We study learning-based trading strategies in markets where prices can be manipulated through spoofing: the practice of submitting spurious…

Economic reasoning from simulation-based game models

MP Wellman Œconomia, 10(2):257–278, 2020. Abstract Simulation modeling in economics has historically been viewed as an alternative to mainstream analytic technique, and as such has generally and intentionally avoided the focus on rational…

Empirical game-theoretic methods for adaptive cyber-defense

MP Wellman, TH Nguyen, and M Wright in S Jajodia et al. (Eds.): Adversarial and Uncertain Reasoning for Adaptive Cyber Defense, LNCS 11830, pages 112–128, 2019. Abstract Game-theoretic applications in cyber-security are often restricted…
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interview with Grainstone Lee

I spoke with Simon Grainger recently for his firm's "Views from Academia" series. The interview is based on presentations I've made recently on "Game Playing meets Game Theory", discussing the connection between game-theoretic reasoning and…

Structure learning for approximate solution of many-player games

Z Li and MP Wellman 34th AAAI Conference on Artificial Intelligence, pages 2119-2127, Feb 2020. Abstract Games with many players are difficult to solve or even specify without adopting structural assumptions that enable representation in…

Cap-and-trade emissions regulation: A strategic analysis

F Cheng , Y Engel, and MP Wellman Proceedings of the 28th International Joint Conference on Artificial Intelligence, pages 187–193, August 2019. Abstract Cap-and-trade schemes are designed to achieve target levels of regulated emissions…

Probably almost-stable strategy profiles in simulation-based games

M Wright and MP Wellman AAMAS-19 Workshop on Games, Agents and Incentives, May 2019. Abstract Empirical studies of strategic settings commonly model player interactions under supposed game-theoretic equilibrium behavior, to predict what…

Iterated Deep Reinforcement Learning in Games: History-Aware Training for Improved Stability

M Wright, Y Wang, and MP Wellman Proceedings of the 20th ACM Conference on Economics and Computation, pages 617-636, June 2019. Abstract Deep reinforcement learning (RL) is a powerful method for generating policies in complex environments,…