Number

Average

Maximum

Minimum

Standard deviation

Independent variable

The number of reciprocity ties

217

1.4

15.0

0.0

2.6

The number of reciprocal cliques’ participation

217

0.6

12.0

0.0

1.6

Dependent variable

The number of technology absorption

217

33.8

565.0

0.0

67.9

The number of technology export

217

33.6

314.0

0.0

55.3

The number of technology transfer

217

65.1

675.0

0.0

97.0

Controlled variable

The regional GDP (hundreds of millions)

217

20037.7

79512.1

1150.1

21336.5

Universities’ R & D cost (thousand)

217

418235.3

2460164.0

8.0

522617.0

The amount of patent permission

217

1175.8

2537.4

0.0

1779.0