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Submitted on: 24 May 2007.
Revised on: 19 September 2007.
Accepted on: 23 October 2007.
___________________FinanzArchiv-European Journal of Public Finance
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http://reply.papertrans.cn/1/98/9779/9779-34.png
Submitted on: 27 December 2003.
Revised on: 22 January 2004.
Accepted on: 01 March 2004.
___________________FinanzArchiv-European Journal of Public Finance
Submitted on: 13 November 2006.
Revised on: 14 December 2006.
Accepted on: 09 January 2007.
___________________FinanzArchiv-European Journal of Public Finance