Variable path

Direct effect

Indirect

effect

Total effect

Supervisor Centrality ® Postgraduate Innovation Ability

0.442

0.411

0.853

supervisor structure hole ® Postgraduate Innovation Ability

0.532

0.258

0.790

Supervisor Centrality ® Postgraduate Absorptive Capacity

0.473

0.473

supervisor structure hole ® Postgraduate Absorptive Capacity

0.296

0.296

Postgraduate Absorptive Capacity ® Postgraduate Innovation Ability

0.870

0.870