Submitted on: 14 July 2008.
Revised on: 04 October 2008.
Accepted on: 18 November 2008.
___________________Annals of Public and Cooperative Economics
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Submitted on: 21 June 2003.
Revised on: 03 September 2003.
Accepted on: 16 October 2003.
___________________Annals of Public and Cooperative Economics
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Submitted on: 21 July 2014.
Revised on: 13 November 2014.
Accepted on: 21 December 2014.
___________________Annals of Public and Cooperative Economics
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