http://reply.papertrans.cn/3/240/23928/23928-11.png
http://reply.papertrans.cn/3/240/23928/23928-12.png
http://reply.papertrans.cn/3/240/23928/23928-13.png
Submitted on: 08 June 2012.
Revised on: 03 July 2012.
Accepted on: 27 July 2012.
Pacific-Basin Finance Journal---ELSEVIER
Submitted on: 18 November 2012.
Revised on: 04 December 2012.
Accepted on: 15 December 2012.
Pacific-Basin Finance Journal
http://reply.papertrans.cn/3/240/23928/23928-16.png
http://reply.papertrans.cn/3/240/23928/23928-17.png
Submitted on: 17 December 2014.
Revised on: 24 January 2015.
Accepted on: 08 February 2015.
Pacific-Basin Finance Journal
http://reply.papertrans.cn/3/240/23928/23928-19.png
http://reply.papertrans.cn/3/240/23928/23928-20.png