Research Article

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

Table 3

Correlation coefficient matrix.

REDegreeBetweennessTop1ItRoeGrowTatLevInpeR&DDual

RE1.00000.04440.04650.01760.11500.05410.01730.12020.1471−0.1895−0.1906−0.0543
Degree0.03411.00000.9058−0.01130.01110.0118−0.01730.03150.0493−0.0132−0.0503−0.0852
Betweenness0.02980.86561.0000−0.02530.00660.01740.00510.01600.0530−0.0111−0.0371−0.0705
Top10.03180.00100.00641.00000.05370.1129−0.05550.0885−0.0344−0.1317−0.1702−0.0247
It−0.01730.05870.0356−0.01111.00000.11140.06430.44690.0414−0.1510−0.2316−0.0558
Roe0.0484−0.00670.00540.0467−0.00251.00000.30090.3018−0.3009−0.6277−0.01260.0350
Grow0.00800.01970.02940.0044−0.00150.02221.00000.1106−0.0346−0.12690.03750.0679
Tat0.06870.02960.02520.0635−0.01130.11330.02571.00000.0617−0.2278−0.2726−0.0489
Lev0.05200.01550.0058−0.0076−0.0051−0.07000.0438−0.00011.00000.1292−0.3126−0.0912
Inpe−0.1421−0.0057−0.0070−0.1323−0.0034−0.2764−0.0050−0.15940.16711.00000.18670.0492
R&D−0.1484−0.0136−0.0001−0.14740.0655−0.02840.0384−0.2317−0.07260.15781.00000.1666
Dual−0.0616−0.0746−0.0529−0.0320−0.00650.0133−0.0013−0.0532−0.04720.03990.12011.0000

Note: the symbols , , and mean significant at the statistical level of 1%, 5%, and 10%, respectively.