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Optimal Quality Certification

By Andriy Zapechelnyuk

American Economic Review: Insights, June 2020

Quality certification not only informs consumers but also stimulates producers to supply better-quality products. We study a problem of quality certification in a moral hazard setting. We show that, under standard assumptions, simple certification systems...

Long-Run Effects from Comprehensive Student Support: Evidence from Pathways to Education

By Adam M. Lavecchia, Philip Oreopoulos, and Robert S. Brown

American Economic Review: Insights, June 2020

Offering comprehensive education support services to disadvantaged students shows promise for improving academic attainment. We explore longer-term impacts of the Pathways to Education program, a set of coaching, tutoring, group activities, and financial ...

Measuring Time Preferences

By Jonathan Cohen, Keith Marzilli Ericson, David Laibson, and John Myles White

Journal of Economic Literature, June 2020

We review research that measures time preferences—i.e., preferences over intertemporal trade-offs. We distinguish between studies using financial flows, which we call "money earlier or later" (MEL) decisions, and studies that use time-dated consumption/...

The Economics of Language

By Victor Ginsburgh and Shlomo Weber

Journal of Economic Literature, June 2020

This paper brings together methodological, theoretical, and empirical analysis into the framework of linguistic diversity. It reflects both historical and contemporary research by economists and other social scientists on the impact of language on economi...