Department;
of;
Labor;
Relations;
and;
Institute;
of;
Labor;
Studies,;
National;
Chung;
Cheng;
University,;
Jiayi;
62102,;
Taiwan;
Institute;
of;
China;
and;
Asia-Pacific;
Studies,;
National;
Sun;
Yat-Sen;
University,;
Gaoxiong;
80424,;
Taiwan;