No.1504,;
Building;
27,;
Village;
Six,;
Tianjin;
University,;
No.72;
Weijing;
Road,;
Tianjin;
of;
P.;
R.;
China;
School;
of;
Management,;
Tianjin;
University,;
No.72;
Weijing;
Road,;
Postcode;
300072;
Ph.;
D;
candidate;
of;
Economics;
and;
Management,;
School;
of;
Management,;
Tianjin;
University,;
Tianjin.;
E;
R.;
China;
Ph.;
D;
candidate;
of;
Economics;
and;
Management,;
School;
of;
Management,;
Tianjin;
University,;
Tianjin,;
P.;
R.;
China;