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Submitted on: 23 September 2001.
Revised on: 14 November 2001.
Accepted on: 27 December 2001.
___________________Journal of Behavioral and Experimental Finance
Submitted on: 19 November 2001.
Revised on: 17 February 2002.
Accepted on: 06 March 2002.
___________________Journal of Behavioral and Experimental Finance
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