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Submitted on: 12 July 2013.
Revised on: 02 November 2013.
Accepted on: 10 December 2013.
___________________Applied Economic Perspectives and Policy
Submitted on: 25 August 2015.
Revised on: 22 November 2015.
Accepted on: 24 December 2015.
___________________Applied Economic Perspectives and Policy
Submitted on: 10 September 2017.
Revised on: 02 November 2017.
Accepted on: 12 December 2017.
___________________Applied Economic Perspectives and Policy
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Submitted on: 17 November 2000.
Revised on: 26 January 2001.
Accepted on: 25 February 2001.
___________________Applied Economic Perspectives and Policy
Submitted on: 21 August 2014.
Revised on: 08 December 2014.
Accepted on: 21 December 2014.
___________________Applied Economic Perspectives and Policy