Research Article

The Impact of Innovation Investment Volatility on Technological Innovation of Enterprises in Different Life Cycles

Table 4

Substitution of dependent variables.

Full sampleThe growing stageThe mature stageThe declining stage

(9)(10)(11)(12)(13)(14)(15)(16)
IIV0.099 (0.040)0.155 (0.05)0.099 (0.043)0.167 (0.057)0.097 (0.069)0.230 (0.104)0.110 (0.067)0.029 (0.097)
IIV × IS−0.059 (0.026)−0.069 (0.030)−0.230 (0.121)0.109 (0.110)
IS−0.044 (0.052)−0.075 (0.061)−0.082 (0.077)−0.125 (0.090)−0.080 (0.089)−0.159 (0.108)0.034 (0.095)0.099 (0.106)
Human0.076 (0.049)0.073 (0.049)0.075 (0.063)0.070 (0.063)0.123 (0.075)0.119 (0.074)−0.007 (0.049)−0.003 (0.050)
Grow−0.012 (0.005)−0.012 (0.005)−0.017 (0.006)−0.016 (0.006)−0.026 (0.205)−0.035 (0.208)−0.033 (0.111)−0.035 (0.111)
Age−0.002 (0.012)−0.0015 (0.012)0.001 (0.013)0.001 (0.013)−0.005 (0.014)−0.0037 (0.014)−0.0165 (0.014)−0.016 (0.014)
Effort0.023 (0.022)0.019 (0.022)0.010 (0.026)0.003 (0.027)0.046 (0.035)0.0469 (0.036)0.082 (0.040)0.086 (0.040)
Pro0.022 (0.049)0.020 (0.049)0.051 (0.061)0.049 (0.061)−0.003 (0.088)−0.002 (0.089)0.046 (0.062)0.046 (0.062)
Debt0.041 (0.033)0.038 (0.032)−0.015 (0.178)−0.032 (0.180)0.0084 (0.026)0.012 (0.026)0.091 (0.067)0.094 (0.067)
Size0.105 (0.050)0.105 (0.050)0.145 (0.070)0.144 (0.070)0.109 (0.056)0.121 (0.056)0.201 (0.086)0.204 (0.087)
Constant−2.403 (0.955)−2.352 (0.948)−3.326 (1.291)−3.253 (1.288)−2.476 (1.058)−2.671 (1.072)−3.556 (1.599)−3.695 (1.599)
EnterpriseYesYesYesYesYesYesYesYes
YearYesYesYesYesYesYesYesYes
N16811681877877543543261261
R20.1180.1200.1290.1300.1350.1390.1120.114

Note that standard errors are in parentheses. , ∗∗, and ∗∗∗represent 10%, 5%, and 1% significance levels, respectively.