Social Learning for Sequential Driving Dilemmas

Xu Chen, Xuan Di () and Zechu Li
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Xu Chen: Department of Civil Engineering and Engineering Mechanics, Columbia University, New York, NY 10027, USA
Xuan Di: Department of Civil Engineering and Engineering Mechanics, Columbia University, New York, NY 10027, USA
Zechu Li: Department of Computer Science, Columbia University, New York, NY 10027, USA

Games, 2023, vol. 14, issue 3, 1-12

Abstract: Autonomous driving (AV) technology has elicited discussion on social dilemmas where trade-offs between individual preferences, social norms, and collective interests may impact road safety and efficiency. In this study, we aim to identify whether social dilemmas exist in AVs’ sequential decision making, which we call “sequential driving dilemmas” (SDDs). Identifying SDDs in traffic scenarios can help policymakers and AV manufacturers better understand under what circumstances SDDs arise and how to design rewards that incentivize AVs to avoid SDDs, ultimately benefiting society as a whole. To achieve this, we leverage a social learning framework, where AVs learn through interactions with random opponents, to analyze their policy learning when facing SDDs. We conduct numerical experiments on two fundamental traffic scenarios: an unsignalized intersection and a highway. We find that SDDs exist for AVs at intersections, but not on highways.

Keywords: social learning; sequential driving dilemma (SDD); autonomous vehicles (AV) (search for similar items in EconPapers)
JEL-codes: C C7 C70 C71 C72 C73 (search for similar items in EconPapers)
Date: 2023
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