Conference Agenda
Overview and details of the sessions of this conference. Please select a date or location to show only sessions at that day or location. Please select a single session for detailed view (with abstracts and downloads if available).
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Thematic Session: The Economics of EV Public Charging
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The rapid diffusion of electric vehicles (EVs) represents both a cornerstone and a challenge in the global transition toward decarbonized transport systems. A central bottleneck to EV adoption and efficient utilization is the availability, reliability, and pricing of charging infrastructure. This session brings together four cutting-edge empirical and theoretical studies that examine the economics of EV charging infrastructure from complementary perspectives—consumer behavior, market coordination, congestion management, and dynamic pricing.
By integrating insights from applied microeconomics, industrial organization, and energy policy, this session aims to illuminate how market design and policy interventions can shape investment incentives, manage externalities, and improve user experience in the emerging EV ecosystem. Collectively, the papers contribute to understanding how charging networks can be efficiently expanded and operated to support electrification at scale. | ||
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Entry and Coordination in the U.S. Electric Vehicle Charging Industry 1Tufts University; 2HEC Montreal, Canada This paper evaluates the efficiency of market location choices for electric vehicle (EV) charging stations. The charging industry is central to electrifying the transportation sector and receives billions of dollars in government support. However, little is known about how the charging industry is organized and how government funds can improve the efficiency of this market. We gather novel data about EV charging station utilization in the U.S. to test for the presence of entry complementarities, a form of positive spillovers, across charging locations. We develop a model of charging station demand by drivers to evaluate how policy can improve the quality of EV charging networks. We also test how much firms in the charging industry internalize their positive spillovers on other locations. Our paper provides a micro-foundation for EV charging stations subsidy policies with location targeting or spatial restrictions. Congestion Management for Electric Vehicle Charging Stations 1University of Bern, Switzerland; 2Tufts University, USA Congestion at electric vehicle (EV) charging stations has been a concern for drivers since the early days of the EV industry, and the concerns and issues grow as new EV sales continue to expand rapidly in many countries around the world. Using data from the charging industries in Germany and Switzerland from 2022 and 2023, we document two policy-relevant patterns in the data: (i) Congestion occurs throughout the EV charging networks in Germany and Switzerland. (ii) The distribution of charging session duration has a long right tail (right-skewed). (iii) Demand spills over from a congested charging station to neighboring ones. To evaluate the effectiveness of three congestion-management policies, we specify a model where drivers choose trip departure times, where to charge, and how long to charge: expanding the number of connectors, upgrading the electrical power, improving service quality (i.e reducing outages), and congestion pricing. The Impact of Dynamic Prices on Electric Vehicle Public Charging Demand: Evidence from a Nationwide Natural Field Experiment 1Centre for Net Zero, United Kingdom; 2Columbia University, United States of America; 3Newcastle University, United Kingdom Understanding how to effectively influence electric vehicle (EV) charging behavior is critical for managing electricity grids powered by high levels of variable renewable generation. We present results from a large-scale natural field experiment conducted in the United Kingdom, involving approximately 110,000 EV customers and 60% of the country’s public charging infrastructure. Within this network, we applied a price decrease to approximately one-fifth of chargers to bring their prices closer to the marginal cost of electricity in low-cost hours in Great Britain. Customers were randomly assigned to different price levels, allowing us to estimate the causal effect of price on charging demand and derive elasticities of short-run behavioral responses. Customers were highly responsive to price: a 40% reduction in charging costs increased platform-wide charging activity by 117%, while a 15% price cut led to a 30% increase. Decomposing the increase in charging, we estimate that approximately half reflected substitution between charging apps. Our findings suggest that dynamic pricing for public EV charging generated large consumer welfare gains. | ||