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Submitted on: 15 June 2004.
Revised on: 01 August 2004.
Accepted on: 23 September 2004.
___________________Journal of Public Finance and Public Choice
Submitted on: 19 March 2020.
Revised on: 07 July 2020.
Accepted on: 30 July 2020.
___________________Journal of Public Finance and Public Choice
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