Submitted on: 06 October 2009.
Revised on: 08 January 2010.
Accepted on: 31 January 2010.
___________________Econometrics Journal---OXFORD UNIV PRESS
http://reply.papertrans.cn/1/80/7910/7910-12.png
Submitted on: 04 December 2009.
Revised on: 17 March 2010.
Accepted on: 05 May 2010.
___________________Econometrics Journal---OXFORD UNIV PRESS
http://reply.papertrans.cn/1/80/7910/7910-14.png
http://reply.papertrans.cn/1/80/7910/7910-15.png
Submitted on: 13 September 2007.
Revised on: 05 October 2007.
Accepted on: 02 December 2007.
___________________Econometrics Journal---OXFORD UNIV PRESS
http://reply.papertrans.cn/1/80/7910/7910-17.png
http://reply.papertrans.cn/1/80/7910/7910-18.png
http://reply.papertrans.cn/1/80/7910/7910-19.png
Submitted on: 03 June 2021.
Revised on: 27 June 2021.
Accepted on: 05 August 2021.
___________________Econometrics Journal---OXFORD UNIV PRESS