Submitted on: 07 March 2000.
Revised on: 10 April 2000.
Accepted on: 23 May 2000.
___________________Journal of Philosophical Economics
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Submitted on: 23 June 2013.
Revised on: 24 July 2013.
Accepted on: 29 August 2013.
___________________Journal of Philosophical Economics
Submitted on: 02 July 2013.
Revised on: 04 August 2013.
Accepted on: 16 August 2013.
___________________Journal of Philosophical Economics
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Submitted on: 09 December 2016.
Revised on: 19 January 2017.
Accepted on: 06 March 2017.
___________________Journal of Philosophical Economics