Department;
of;
Management,;
Polytechnic;
Institute;
of;
Tomar:;
Tomar;
2300-313,;
Portugal;
Department;
of;
Finance,;
Cass;
Business;
School,;
London;
EC;
I;
Y;
8TZ,;
UK;
Department;
of;
Finance,;
ISCTE-IUL,Lisbon;
1649-026,;
Portugal;
收入差距; 葡萄牙; 私营公司; 工资; 性别; 证据; 寓言; 劳动力市场;