http://reply.papertrans.cn/1/80/7909/7909-21.png
Submitted on: 16 January 2013.
Revised on: 24 April 2013.
Accepted on: 20 May 2013.
___________________Econometrics Journal---OXFORD UNIV PRESS
Submitted on: 14 September 2009.
Revised on: 17 December 2009.
Accepted on: 26 January 2010.
___________________Econometrics Journal---OXFORD UNIV PRESS
http://reply.papertrans.cn/1/80/7909/7909-24.png
http://reply.papertrans.cn/1/80/7909/7909-25.png
http://reply.papertrans.cn/1/80/7909/7909-26.png
Submitted on: 11 January 2020.
Revised on: 05 February 2020.
Accepted on: 13 March 2020.
___________________Econometrics Journal---OXFORD UNIV PRESS
Submitted on: 23 January 1999.
Revised on: 12 March 1999.
Accepted on: 15 April 1999.
___________________Econometrics Journal---OXFORD UNIV PRESS
http://reply.papertrans.cn/1/80/7909/7909-29.png
http://reply.papertrans.cn/1/80/7909/7909-30.png