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Submitted on: 07 December 2013.
Revised on: 19 February 2014.
Accepted on: 19 April 2014.
___________________Journal of Management Analytics
Submitted on: 21 May 2002.
Revised on: 05 July 2002.
Accepted on: 30 August 2002.
___________________Journal of Management Analytics
Submitted on: 29 May 2009.
Revised on: 18 August 2009.
Accepted on: 10 October 2009.
___________________Journal of Management Analytics