Submitted on: 14 July 2017.
Revised on: 24 September 2017.
Accepted on: 31 October 2017.
___________________European Journal of Political Economy
Submitted on: 07 May 2019.
Revised on: 11 August 2019.
Accepted on: 07 October 2019.
___________________European Journal of Political Economy
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Submitted on: 22 February 2021.
Revised on: 17 May 2021.
Accepted on: 05 June 2021.
___________________European Journal of Political Economy
Submitted on: 02 April 2000.
Revised on: 25 May 2000.
Accepted on: 01 July 2000.
___________________European Journal of Political Economy
Submitted on: 30 March 2007.
Revised on: 17 July 2007.
Accepted on: 14 September 2007.
___________________European Journal of Political Economy
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http://reply.papertrans.cn/1/93/9262/9262-28.png
Submitted on: 27 November 2016.
Revised on: 29 December 2016.
Accepted on: 15 February 2017.
___________________European Journal of Political Economy
Submitted on: 22 December 2010.
Revised on: 16 February 2011.
Accepted on: 15 April 2011.
___________________European Journal of Political Economy