Submitted on: 25 August 2009.
Revised on: 02 October 2009.
Accepted on: 23 October 2009.
RESOURCE AND ENERGY ECONOMICS
Submitted on: 24 May 2021.
Revised on: 28 June 2021.
Accepted on: 09 July 2021.
RESOURCE AND ENERGY ECONOMICS
http://reply.papertrans.cn/3/265/26472/26472-23.png
Submitted on: 26 October 2017.
Revised on: 10 November 2017.
Accepted on: 15 November 2017.
RESOURCE AND ENERGY ECONOMICS
Submitted on: 30 July 1998.
Revised on: 02 September 1998.
Accepted on: 14 September 1998.
RESOURCE AND ENERGY ECONOMICS---ELSEVIER
Submitted on: 19 December 2007.
Revised on: 28 December 2007.
Accepted on: 16 January 2008.
RESOURCE AND ENERGY ECONOMICS---ELSEVIER
http://reply.papertrans.cn/3/265/26472/26472-27.png
http://reply.papertrans.cn/3/265/26472/26472-28.png
Submitted on: 06 January 1999.
Revised on: 19 February 1999.
Accepted on: 14 March 1999.
RESOURCE AND ENERGY ECONOMICS
http://reply.papertrans.cn/3/265/26472/26472-30.png