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Submitted on: 13 April 2015.
Revised on: 02 June 2015.
Accepted on: 20 July 2015.
___________________Journal of Entrepreneurship and Public Policy
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Submitted on: 05 April 2004.
Revised on: 22 July 2004.
Accepted on: 14 September 2004.
___________________Journal of Entrepreneurship and Public Policy
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