Abstract

http://ssrn.com/abstract=1923774
 
 

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Modern Portfolio Theory and Risk Management: Assumptions and Unintended Consequences


James P. Hawley


St. Mary's College

Mehdi Beyhaghi


University of Texas at San Antonio - Department of Finance

May 10, 2011


Abstract:     
The article presents an overview of the assumptions and unintended consequences of the widespread adoption of modern portfolio theory (MPT) in the context of the growth of large institutional investors. We examine the many so-called risk management practices and financial products that have been built on MPT since its inception in the 1950’s. We argue that the very success due to its initial insights had the unintended consequence, given its widespread adoption, of contributing to the undermining the foundation of the financial system in a variety of ways. This study has relevance for both the on-going analyses of the recent financial crisis, as well as for various existing and proposed financial reforms.

Number of Pages in PDF File: 36

Keywords: Prudent Investor Standard, Modern Portfolio Theory, Risk Management, Pension Funds, Portfolio Management, Herding and Widespread Adoption, Unintended Consequences, Model Assumptions

JEL Classification: G14, G23, G11, G00, D70, D80, C92, G28, K22

working papers series





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Date posted: September 7, 2011  

Suggested Citation

Hawley, James P. and Beyhaghi, Mehdi, Modern Portfolio Theory and Risk Management: Assumptions and Unintended Consequences (May 10, 2011). Available at SSRN: http://ssrn.com/abstract=1923774 or http://dx.doi.org/10.2139/ssrn.1923774

Contact Information

James P. Hawley (Contact Author)
St. Mary's College ( email )
P.O. Box 4240
Moraga, CA 94575-4240
United States
510-631-4204 (Phone)
510-547-7692 (Fax)
Mehdi Beyhaghi
University of Texas at San Antonio - Department of Finance ( email )
One UTSA Circle
San Antonio, TX 78249
United States
210-458-8291 (Phone)
210-458-6320 (Fax)
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