Submitted on: 13 December 2018.
Revised on: 03 February 2019.
Accepted on: 10 March 2019.
___________________Annals of Finance---SPRINGER HEIDELBERG
http://reply.papertrans.cn/1/18/1782/1782-22.png
Submitted on: 22 December 2023.
Revised on: 12 February 2024.
Accepted on: 12 March 2024.
___________________Annals of Finance---SPRINGER HEIDELBERG
http://reply.papertrans.cn/1/18/1782/1782-24.png
Submitted on: 19 October 2000.
Revised on: 15 January 2001.
Accepted on: 13 March 2001.
___________________Annals of Finance---SPRINGER HEIDELBERG
http://reply.papertrans.cn/1/18/1782/1782-26.png
Submitted on: 22 July 2015.
Revised on: 06 September 2015.
Accepted on: 14 October 2015.
___________________Annals of Finance---SPRINGER HEIDELBERG
Submitted on: 20 October 2014.
Revised on: 06 December 2014.
Accepted on: 18 December 2014.
___________________Annals of Finance---SPRINGER HEIDELBERG
http://reply.papertrans.cn/1/18/1782/1782-29.png
Submitted on: 30 August 2022.
Revised on: 16 October 2022.
Accepted on: 01 November 2022.
___________________Annals of Finance---SPRINGER HEIDELBERG