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Environmental Preferences and Technological Choices: Is Market Competition Clean or Dirty?

By Philippe Aghion, Roland Bénabou, Ralf Martin, and Alexandra Roulet

American Economic Review: Insights, March 2023

We investigate the effects of consumers' environmental concerns and market competition on firms' decisions to innovate in "clean" technologies. Agents care about their consumption and environmental footprint; firms pursue greener products to soften price ...

Isolating Personal Knowledge Spillovers: Coinventor Deaths and Spatial Citation Differentials

By Benjamin Balsmeier, Lee Fleming, and Sonja Lück

American Economic Review: Insights, March 2023

We propose a new method to estimate and isolate the localization of knowledge spillovers due to the physical presence of a person, using after-application but pre-grant deaths of differently located coinventors of the same patent. The approach estimates t...