Submitted on: 22 June 2005.
Revised on: 22 September 2005.
Accepted on: 17 November 2005.
___________________Frontiers of Economics in China
Submitted on: 27 July 2013.
Revised on: 04 November 2013.
Accepted on: 01 January 2014.
___________________Frontiers of Economics in China
Submitted on: 28 January 2001.
Revised on: 18 March 2001.
Accepted on: 01 May 2001.
___________________Frontiers of Economics in China
Submitted on: 18 November 2012.
Revised on: 03 January 2013.
Accepted on: 15 January 2013.
___________________Frontiers of Economics in China
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Submitted on: 05 October 2000.
Revised on: 31 October 2000.
Accepted on: 18 November 2000.
___________________Frontiers of Economics in China
http://reply.papertrans.cn/2/103/10247/10247-17.png
http://reply.papertrans.cn/2/103/10247/10247-18.png
Submitted on: 16 May 2012.
Revised on: 28 July 2012.
Accepted on: 20 August 2012.
___________________Frontiers of Economics in China
Submitted on: 10 August 2011.
Revised on: 30 September 2011.
Accepted on: 29 November 2011.
___________________Frontiers of Economics in China