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The rate of communication

Huang, Shiyang, Hwang, Byoung-Hyoun and Lou, Dong ORCID: 0000-0002-5623-4338 (2021) The rate of communication. Journal of Financial Economics, 141 (2). 533 - 550. ISSN 0304-405X

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Identification Number: 10.1016/j.jfineco.2021.03.013

Abstract

We study the transmission of financial news and opinions through social interactions among retail investors in the United States. We identify a series of plausibly exogenous shocks, which cause “treated investors” to trade abnormally. We then trace the “contagion” of abnormal trading activity from the treated investors to their neighbors and their neighbors’ neighbors. Coupled with methodology drawn from epidemiology, our setting allows us to estimate the rate of communication and how it varies with the characteristics of the underlying investor population.

Item Type: Article
Official URL: https://www.sciencedirect.com/journal/journal-of-f...
Additional Information: © 2021 Elsevier B.V.
Divisions: Finance
Subjects: H Social Sciences > HG Finance
JEL classification: G - Financial Economics > G1 - General Financial Markets > G11 - Portfolio Choice; Investment Decisions
G - Financial Economics > G1 - General Financial Markets > G12 - Asset Pricing; Trading volume; Bond Interest Rates
G - Financial Economics > G1 - General Financial Markets > G14 - Information and Market Efficiency; Event Studies
G - Financial Economics > G2 - Financial Institutions and Services > G20 - General
Date Deposited: 05 Aug 2020 10:12
Last Modified: 20 Sep 2021 04:08
URI: http://eprints.lse.ac.uk/id/eprint/105870

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