Institution: | a Department of Economics, National Tsing Hua University, No. 101, Section 2, Kuang-Fu Road, Hsinchu 300, Taiwan b Chung-Hua Institution for Economic Research, 75 Chang-Hsing Street, Taipei 106, Taiwan c Department of Economics, National Chung Cheng University, 168 University Road, Chiayi 621, Taiwan |