Bitte verwenden Sie diesen Link, um diese Publikation zu zitieren, oder auf sie als Internetquelle zu verweisen: https://hdl.handle.net/10419/316268.2 
Erscheinungsjahr: 
2025
Schriftenreihe/Nr.: 
DIW Discussion Papers No. 2115
Versionsangabe: 
Updated version, September 2025
Verlag: 
Deutsches Institut für Wirtschaftsforschung (DIW), Berlin
Zusammenfassung: 
How do firms respond to greener household preferences? We construct a novel index of environmental willingness to act on the state-quarter level based on Google Trends search data. Relating the index to firm-level information on the U.S. automotive sector from 2006 to 2019, we find ambiguous results. On average, firms redirect innovation from conventional combustion technologies toward technologies that mitigate their emissions. Conversely, an initial rise in innovation on electric vehicle technologies is short-lived. We show that firm responses are shaped by the composition of their knowledge stocks as predicted by the theory on path dependence. However, we also uncover that firms—particularly those specialized in electric technologies—pursue strategies consistent with deterring competition: (anti-environmental) lobbying and strategic patenting. On aggregate, a 1% increase in the growth rate of the index has effects similar to a 50% increase in fuel price growth.
Schlagwörter: 
Green Household Preferences
Directed Technical Change
Lobbying
JEL: 
D9
D70
O3
P28
Q55
Dokumentart: 
Working Paper

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Version Dokument Versionsbeschreibung
2 10419/316268.2 Updated version, September 2025
1 10419/316268 First version, April 2025

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