134 INTERDEPENDENCIES AMONG CORPORATE FINANCIAL POLICIES
TABLE 6.11 Investment Equation OLS
1952 1953 1954 1955
Variable Coeff T-Stat Coeff T-Stat Coeff T-Stat Coeff T-Stat
Intercept 0.221 2.6 0.482 5.28 0.373 8.44 0.268 6.04
PKL –0.106 –1.02 –0.104 –1.11 –0.09 –1.37 0.009 0.15
CAK –0.308 –2.69 –0.67 –5.73 –0.559 –8.13 –0.398 –5.9
D2sales 0 –99 –0.008 –0.1 0.1 1.4 –0.043 –0.62
DS 0.588 1.02 –1.087 –1.61 –0.829 –2.11 –0.912 –2.67
FS 0.146 0.4 –0.339 –0.78 –0.088 –0.41 0.616 2.26
RDS 0.093 0.18 0.493 0.94 0.699 1.84 0.207 0.49
F-Statistic 6.29 10.59 17.33 14.32
Adj R2 0.58 0.71 0.79 0.73
1956 1957 1958 1959
Variable Coeff T-Stat Coeff T-Stat Coeff T-Stat Coeff T-Stat
Intercept 0.245 6.74 0.225 6.78 0.199 8.46 0.175 5.74
PKL 0.11 1.6 0.023 0.31 0.13 1.87 0.101 1.21
CAK –0.389 –5.68 –0.369 –5.15 –0.364 –6.85 –0.321 –6.33
D2sales 0.004 0.07 0.016 0.24 –0.033 –0.82 –0.021 –0.52
DS –0.291 –0.81 0.093 0.27 –0.365 –1.16 –0.155 –0.58
FS 0.235 1.2 0.353 1.59 0.436 2.39 0.365 2.01
RDS –0.555 –1.28 –0.079 –0.19 0.157 0.61 0.313 1.34
F-Statistic 10.89 10.53 11.94 8.61
Adj R2 0.64 0.61 0.63 0.53
1960 1961 1962 1963
Variable Coeff T-Stat Coeff T-Stat Coeff T-Stat Coeff T-Stat
Intercept 0.237 7.62 0.231 6.59 0.199 5.74 0.104 4.09
PKL 0.17 1.99 –0.001 –0.01 0.031 0.53 0.055 0.62
CAK –0.457 –8.78 –0.397 –6.36 –0.335 –5.3 –0.128 –3.43
D2sales –0.039 –0.74 0.039 0.62 0.02 0.34 –0.047 –0.82
DS –0.382 –1.32 –0.262 –0.78 0.145 0.4 0.096 0.3
FS 0.39 4.16 0.167 1.71 0.214 1.19 –0.047 –0.23
RDS 0.294 1.24 0.689 2.32 0.174 0.6 0.136 0.71
F-Statistic 23.66 11.11 10.31 2.6
Adj R2 0.76 0.58 0.56 0.28