Research Article

Director Networks and Cost of Equity Capital: Based on “Busy Director Hypothesis” Analysis

Table 6

Regression results: director networks, equity concentration, and cost of equity capital.

VariableAll the samplesSamples of state-owned listed companiesSamples of non-state-owned listed companies
(1)(2)(3)(4)(5)(6)

C0.1191 (21.0757)0.1236 (24.7555)0.1367 (11.8697)0.1448 (14.7535)0.1161 (16.6141)0.1182 (18.5076)
Top10.0002 (1.5197)0.0001 (0.8596)0.0004 (2.0263)0.0002 (1.1684)−0.0001 (−0.9249)−0.0001 (−1.1646)
Degree0.3171 (2.8424)0.4008 (1.8095)0.1950 (1.4752)
Betweenness0.0431 (2.6629)0.0399 (1.2026)0.0360 (1.9302)
Top1∗Degree−0.0062 (−2.1697)−0.0116 (−2.2894)−0.0010 (−0.2779)
Top1∗Betweenness−0.0008 (−2.0405)−0.0011 (−1.5172)−0.0004 (−0.8732)
It−0.0001 (−0.9520)−0.0001 (−0.8803)−0.0001 (−0.0653)−0.0001 (−0.0792)−0.0001 (−1.1777)−0.0001 (−1.0700)
Roe0.0071 (1.0521)0.0068 (1.0068)0.0138 (1.7218)0.0132 (1.6500)−0.0252 (−1.4572)−0.0254 (−1.4695)
Grow0.0001 (0.1674)0.0001 (0.1548)−0.0001 (−0.1527)−0.0001 (−0.1417)0.0001 (0.5548)0.0001 (0.5352)
Tat0.0023 (1.2993)0.0023 (1.2944)0.0010 (0.3187)0.0010 (0.3103)0.0040 (1.9488)0.0040 (1.9548)
Lev0.0017 (4.8788)0.0017 (4.9148)0.0028 (3.8680)0.0029 (3.9083)0.0012 (2.9573)0.0012 (2.9829)
Inpe−0.0080 (−9.2415)−0.0081 (−9.2670)−0.0125 (−8.0697)−0.0127 (−8.1361)−0.0060 (−5.1877)−0.0060 (−5.2066)
R&D−0.0016 (−8.5441)−0.0016 (−8.5601)−0.0028 (−5.9386)−0.0028 (−5.9045)−0.0012 (−6.1108)−0.0012 (−6.1355)
Dual−0.0058 (−2.9739)−0.0058 (−3.0037)−0.0016 (−0.2948)−0.0015 (−0.2692)−0.0037 (−1.8059)−0.0039 (−1.8745)
R20.04430.04410.07020.06860.03060.0303
F24.802924.690113.541413.201611.195611.0916
DW2.01922.01932.02152.02171.89691.8973
N590059001984198439163916

Note: the symbols , , and mean significant at the statistical level of 1%, 5%, and 10%, respectively. The bracket value is the T value.