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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...

Proximity to the Frontier, Markups, and the Response of Innovation to Foreign Competition: Evidence from Matched Production-Innovation Surveys in Chile

By Ana Paula Cusolito, Alvaro Garcia-Marin, and William F. Maloney

American Economic Review: Insights, March 2023

This paper employs a matched firm production-innovation panel dataset from Chile to explore the response of firm innovation to the increased competition arising from the China shock. The data cover a wider range of innovation inputs and outputs than previ...

Robust Information Transmission

By Francesc Dilmé

American Economic Review: Insights, March 2023

This paper investigates robust information transmission between a sender and a receiver in the Crawford and Sobel (1982) model. We characterize behavior that remains equilibrium behavior independently of the form of a small communication cost. Under stand...

Cognitive Decline, Limited Awareness, Imperfect Agency, and Financial Well-Being

By John Ameriks, Andrew Caplin, Minjoon Lee, Matthew D. Shapiro, and Christopher Tonetti

American Economic Review: Insights, March 2023

Cognitive decline may lead older Americans to make poor financial decisions. Preventing poor decisions may require timely transfer of financial control to a reliable agent. Cognitive decline, however, can develop unnoticed, creating the possibility of sub...