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Submitted on: 01 March 2007.
Revised on: 02 April 2007.
Accepted on: 09 May 2007.
___________________Econometric Reviews---TAYLOR & FRANCIS INC
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Submitted on: 06 December 2013.
Revised on: 06 January 2014.
Accepted on: 16 February 2014.
___________________Econometric Reviews---TAYLOR & FRANCIS INC
Submitted on: 28 January 2020.
Revised on: 29 February 2020.
Accepted on: 14 April 2020.
___________________Econometric Reviews---TAYLOR & FRANCIS INC
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