Submitted on: 20 April 2005.
Revised on: 10 June 2005.
Accepted on: 17 July 2005.
___________________JOURNAL OF APPLIED ECONOMETRICS
http://reply.papertrans.cn/2/154/15304/15304-22.png
http://reply.papertrans.cn/2/154/15304/15304-23.png
http://reply.papertrans.cn/2/154/15304/15304-24.png
http://reply.papertrans.cn/2/154/15304/15304-25.png
http://reply.papertrans.cn/2/154/15304/15304-26.png
Submitted on: 03 April 2015.
Revised on: 24 July 2015.
Accepted on: 07 September 2015.
___________________JOURNAL OF APPLIED ECONOMETRICS
Submitted on: 06 February 1998.
Revised on: 31 May 1998.
Accepted on: 22 June 1998.
___________________JOURNAL OF APPLIED ECONOMETRICS
Submitted on: 01 July 2011.
Revised on: 16 September 2011.
Accepted on: 28 October 2011.
___________________JOURNAL OF APPLIED ECONOMETRICS
Submitted on: 06 May 2015.
Revised on: 21 June 2015.
Accepted on: 14 August 2015.
___________________JOURNAL OF APPLIED ECONOMETRICS