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The Local Bias of Individual Investors

59 Pages Posted: 13 Mar 2002  

Ning Zhu

China Academy of Financial Research (CAFR); Yale School of Management; University of California, Davis - Graduate School of Management

Date Written: October 2002

Abstract

This study investigates individual investors' bias towards nearby companies. Using data from a large U.S. discount brokerage, we find that individual investors tend to invest in companies closer to them relative to the market portfolio. Unlike Coval and Moskowitz's (1999) findings on institutional investors, however, we find that advantageous information cannot explain individual investors' local bias. Accounting numbers and information asymmetry matter less to individual investors' local bias than to that of institutional investors. Instead, we hypothesize that individuals' non-fundamentally based familiarity with local companies and ready reaction to local information are more plausible explanations. Consistent with this hypothesis, we find that individual investors are more likely to invest in remote companies that spend heavily on advertising. Evidence from investors' reactions to earnings announcements also confirms the hypothesis: local investors do not change their portfolios so as to take advantage of potentially advantageous information before earnings announcements. After earnings announcements, local investors change their portfolios more than remote investors in the direction opposite to the same earnings surprises.

Keywords: Local Bias, Individual Behavior, Asset Pricing, Asymmetric Information, Overreaction, Familiarity

JEL Classification: G10, G11, G15

Suggested Citation

Zhu, Ning, The Local Bias of Individual Investors (October 2002). Yale ICF Working Paper No. 02-30. Available at SSRN: https://ssrn.com/abstract=302620 or http://dx.doi.org/10.2139/ssrn.302620

Ning Zhu (Contact Author)

China Academy of Financial Research (CAFR)

1954 Huashan Road
Shanghai P.R.China, 200030
China

Yale School of Management ( email )

135 Prospect Street
Box 208200
New Haven, CT 06520-8200
United States

HOME PAGE: http://pantheon.yale.edu/~nz26/

University of California, Davis - Graduate School of Management ( email )

One Shields Avenue
Davis, CA 95616
United States
530-752-3871 (Phone)
530-752-2924 (Fax)

HOME PAGE: http://www.gsm.ucdavis.edu/Faculty/Zhu/

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