Submitted on: 15 September 2001.
Revised on: 26 October 2001.
Accepted on: 31 October 2001.
OXFORD BULLETIN OF ECONOMICS AND STATISTICS
Submitted on: 08 March 2005.
Revised on: 16 March 2005.
Accepted on: 02 April 2005.
OXFORD BULLETIN OF ECONOMICS AND STATISTICS
Submitted on: 29 April 2006.
Revised on: 08 May 2006.
Accepted on: 15 May 2006.
OXFORD BULLETIN OF ECONOMICS AND STATISTICS
http://reply.papertrans.cn/3/239/23884/23884-14.png
Submitted on: 28 August 2005.
Revised on: 04 October 2005.
Accepted on: 10 October 2005.
OXFORD BULLETIN OF ECONOMICS AND STATISTICS
Submitted on: 17 March 2010.
Revised on: 31 March 2010.
Accepted on: 08 April 2010.
OXFORD BULLETIN OF ECONOMICS AND STATISTICS
Submitted on: 31 May 2019.
Revised on: 16 June 2019.
Accepted on: 01 July 2019.
OXFORD BULLETIN OF ECONOMICS AND STATISTICS
Submitted on: 30 January 1998.
Revised on: 24 February 1998.
Accepted on: 07 March 1998.
OXFORD BULLETIN OF ECONOMICS AND STATISTICS
http://reply.papertrans.cn/3/239/23884/23884-19.png
Submitted on: 23 August 2011.
Revised on: 11 September 2011.
Accepted on: 27 September 2011.
OXFORD BULLETIN OF ECONOMICS AND STATISTICS