Research Article

The Correlation between Enterprise Internal Control Quality and Research and Development Investment Intensity

Table 4

Regression analysis.

VariableModel 1 R&DModel 2 CashModel 3 R&D

ICQ0.0024 (4.08)0.0302 (3.28)0.0021 (3.48)
Cash0.0109 (4.29)
Size−0.0007 (−4.18)−0.0153 (−16.47)−0.0007 (−4.04)
Growth−0.0002 (−5.98)−0.0001 (−0.81)−0.0001 (−5.64)
ROA−0.0029 (−2.12)0.3249 (14.71)−0.0026 (−2.09)
SUB0.0134 (3.47)0.0013 (5.88)0.0128 (3.54)
YearControlControlControl
Constant0.1026 (7.13)0.3079 (5.35)0.1023 (10.23)
Observations753075307530
R20.01930.06350.0215

Note., , and indicate that the coefficient significance levels are 10%, 5%, and 1%, respectively. The smaller the percentage value is, the more significant the relationship is. The data in parentheses are T values.