UC Davis Agricultural and Resource Economics

Jing Li, Massachusetts Institute of Technology

Compatibility and Investment in the U.S. Electric Vehicle Market

Date and Location

Wednesday, November 14, 2018, 3:30 PM - 5:00 PM
Giannini Library Conference Room, 4101 Social Sciences and Humanities

Abstract

Competing standards often proliferate in the early years of product markets, potentially leading to socially ineficient investment. This paper studies the effect of compatibility in the U.S. electric vehicle market, which has grown ten-fold in its first five years but has three incompatible standards for charging stations. I develop and estimate a structural model of consumer vehicle choice and car manufacturer investment that demonstrates the ambiguous impact of mandating compatibility standards on market outcomes and welfare. Compatibility may benefit consumers by providing access to all existing charging stations. However, firms may cut back on their investments because the benefits from one firm's investments spill over to rivals. Firm response in investment may erode consumer gains from compatibility. I estimate my model using U.S. data from 2011 to 2015 on vehicle registrations and charging station investment and identify demand elasticities with variation in federal and state subsidy policies. Counterfactual simulations show that mandating compatibility in charging standards would decrease duplicative investment in charging stations by car manufacturers and increase the size of the electric vehicle market.

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