First Author:   Yeung-Nan Shieh Department of Economics, San Jose State University ynshieh@yahoo.com   Department of Economics, San Jose State University, One washington Square San Jose, 95192-0114, USA   408-924-5413(Phone) 408-924-5413(Fax) Second Author: Jason (Jen-Shan) Kao Taiwan Institute of Economic Research d18137@tier.org.tw   Taiwan Institute of Economic Research, 7F, 16-8, Tehui St. Taipei, 10461, Taiwan   (886)2 2586-5000 ext. 212(Phone)