Florian Ederer

Yale School of Management
165 Whitney Avenue
New Haven, CT 06511
Tel: 310 825 7348
Fax: 310 825 1581

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Institutional Affiliation: Yale University

NBER Working Papers and Publications

July 2012Understanding Peer Effects in Financial Decisions: Evidence from a Field Experiment
with Leonardo Bursztyn, Bruno Ferman, Noam Yuchtman: w18241
Using a high-stakes field experiment conducted with a financial brokerage, we implement a novel design to separately identify two channels of social influence in financial decisions, both widely studied theoretically. When someone purchases an asset, his peers may also want to purchase it, both because they learn from his choice ("social learning") and because his possession of the asset directly affects others' utility of owning the same asset ("social utility"). We find that both channels have statistically and economically significant effects on investment decisions. These results can help shed light on the mechanisms underlying herding behavior in financial markets.

Published: “Understanding Mechanisms Underlying Peer Effects: Evidence from a Field Experiment on Financial Decisions” (with Florian Ederer, Bruno Ferman, and Noam Yuchtman) Econometrica, 82(4): 1273-1301 (2014)

March 2012Search Fatigue
with Bruce Ian Carlin: w17895
Consumer search is not only costly but also tiring. We characterize the intertemporal effects that search fatigue has on oligopoly prices, product proliferation, and the provision of consumer assistance (i.e., advice). These effects vary based on whether search is all-or-nothing or sequential in nature, whether learning takes place, and whether consumers exhibit brand loyalty. We perform welfare analysis and highlight the novel empirical implications that our analysis generates.

Published: Bruce I. Carlin & Florian Ederer, 2019. "Search Fatigue," Review of Industrial Organization, vol 54(3), pages 485-508. citation courtesy of

National Bureau of Economic Research
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