Abstract

http://ssrn.com/abstract=1666497
 
 

References (126)



 
 

Citations (8)



 


 



Customer-Base Concentration: Implications for Firm Performance and Capital Markets


Panos N. Patatoukas


University of California, Berkeley - Haas School of Business

May 24, 2011

The Accounting Review, March 2012

Abstract:     
This study investigates whether and how customer-base concentration affects supplier firm fundamentals and stock market valuation. I compile a comprehensive sample of supply chain relationships and develop a measure (CC) to capture the extent to which a supplier’s customer base is concentrated. In contrast to the conventional view of customer-base concentration as an impediment to supplier firm performance, I document a positive contemporaneous association between CC and accounting rates of return, suggesting that efficiencies accrue to suppliers with concentrated customer bases. Consistent with a cause-and-effect link between customer-base concentration and supplier firm performance, analysis of intertemporal changes demonstrates that CC increases predict efficiency gains in the form of reduced operating expenses per dollar of sales and enhanced asset utilization. Using stock returns tests, I find that investors underreact to the implications of changes in customer-base concentration for future firm fundamentals when setting stock prices. A trading strategy that exploits investors’ underreaction yields abnormal stock returns over the thirty-year period studied.

Number of Pages in PDF File: 49

Keywords: Customer-Base Concentration, Supply-Chain Collaboration, DuPont Analysis, Market Efficiency

JEL Classification: M41, L25, G14

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Date posted: August 29, 2010 ; Last revised: April 11, 2014

Suggested Citation

Patatoukas, Panos N., Customer-Base Concentration: Implications for Firm Performance and Capital Markets (May 24, 2011). The Accounting Review, March 2012. Available at SSRN: http://ssrn.com/abstract=1666497

Contact Information

Panos N. Patatoukas (Contact Author)
University of California, Berkeley - Haas School of Business ( email )
545 Student Services Building
Berkeley, CA 94720
United States
HOME PAGE: http://sites.google.com/site/panossom/
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