- Correspondence to Professor Kitae Sohn, Department of Economics, Konkuk University, 120 Neungdong-ro, Gwangjin-gu, Seoul 05029, South Korea;
- Received May 30, 2016
- Revised August 13, 2016
- Accepted August 22, 2016
- First published September 9, 2016.
If you wish to reuse any or all of this article please use the link below which will take you to the Copyright Clearance Center’s RightsLink service. You will be able to get a quick price and instant permission to reuse the content in many different ways.