Abstract

http://ssrn.com/abstract=1678726
 
 

References (36)



 


 



Why Heavy Tails?


David E. Harris


West Virginia University

July 30, 2013


Abstract:     
Why does the distribution of returns on equity securities have fat tails? Why do the normative models generate empirical contradictions? Using both Bayesian and Frequentist methodologies, it is shown that the models of mean-variance finance do not follow from first principles and are not valid scientific models. This paper proposes first principles mechanisms to reconcile observations and economic principles and empirically tests the proposed alternative model.

Number of Pages in PDF File: 32

Keywords: Capital Asset Pricing Model, Arbitrage Pricing Theory, Black-Scholes Option Pricing Model, Capital, Inventory, Greater than Unit Root Processes, Cauchy Distribution

JEL Classification: B41, D80, D81, D84, E22, E44, G10, G11, G12, G14

working papers series


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Date posted: September 19, 2010 ; Last revised: July 30, 2013

Suggested Citation

Harris, David E., Why Heavy Tails? (July 30, 2013). Available at SSRN: http://ssrn.com/abstract=1678726 or http://dx.doi.org/10.2139/ssrn.1678726

Contact Information

David E. Harris (Contact Author)
West Virginia University ( email )
Morgantown, WV 26506-6025
United States
304-366-8396 (Phone)
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References:  36

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