Abstract

http://ssrn.com/abstract=1785417
 
 

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The Price of Street Friends: Social Networks, Informed Trading, and Shareholder Costs


Jie Cai


Drexel University

Ralph A. Walkling


Drexel University - Lebow College of Business

Ke Yang


Lehigh University

October 26, 2014


Abstract:     
Recent studies suggest the transfer of privileged information via social ties but do not explicitly examine the cost of these ties to shareholders. We document a significant, positive relation between stock transaction costs and a company’s social ties to the investment community. Social ties based on education and leisure activities, stronger ties, and ties to individuals responsible for trading have greater effects. Using investment connection deaths as natural experiments, we document that exogenous severance of ties reduces trading costs and trading activities by connected parties. Our evidence illustrates an important and previously undocumented consequence of social ties.

Number of Pages in PDF File: 62

Keywords: Social Connections, Informed Trading, Inside Information, Trading Costs

JEL Classification: G14, D82, D83

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Date posted: March 15, 2011 ; Last revised: October 30, 2014

Suggested Citation

Cai, Jie and Walkling, Ralph A. and Yang, Ke, The Price of Street Friends: Social Networks, Informed Trading, and Shareholder Costs (October 26, 2014). Available at SSRN: http://ssrn.com/abstract=1785417 or http://dx.doi.org/10.2139/ssrn.1785417

Contact Information

Jie Cai
Drexel University ( email )
LeBow College of Business
Philadelphia, PA 19104
United States
215-895-1755 (Phone)
215-895-2955 (Fax)
HOME PAGE: http://faculty.lebow.drexel.edu/CaiJ/
Ralph August Walkling (Contact Author)
Drexel University - Lebow College of Business ( email )
LeBow College of Business
Philadelphia, PA 19104
United States
(215) 895-4920 (Phone)
(215) 895-6119 (Fax)
Ke Yang
Lehigh University ( email )
621 Taylor Street
Bethlehem, PA 18015
United States
6107583684 (Phone)
6107586429 (Fax)
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