http://reply.papertrans.cn/1/79/7899/7899-31.png
Submitted on: 06 June 2008.
Revised on: 27 June 2008.
Accepted on: 25 August 2008.
___________________ECONOMETRIC THEORY---CAMBRIDGE UNIV PRESS
Submitted on: 10 September 2007.
Revised on: 01 October 2007.
Accepted on: 16 October 2007.
___________________ECONOMETRIC THEORY---CAMBRIDGE UNIV PRESS
http://reply.papertrans.cn/1/79/7899/7899-34.png
http://reply.papertrans.cn/1/79/7899/7899-35.png
Submitted on: 08 June 2016.
Revised on: 19 September 2016.
Accepted on: 11 November 2016.
___________________ECONOMETRIC THEORY---CAMBRIDGE UNIV PRESS