年份

关键词

频数

中心性

2010

Human capital

95

0.22

2010

Education

87

0.28

2010

Educational economics

72

0.16

2010

Higher education

54

0.30

2011

School choice

27

0.16

2010

Test score

22

0.07

2010

Student achievement

20

0.15

2011

Efficiency

18

0.06

2010

Educational finance

17

0.13

2012

Peer effect

17

0.14

2011

Gender

14

0.02

2010

Resource allocation

14

0.01

2013

Economic development

13

0.05