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Table 4 Regressions: Environmental Managementa,b

From: Supply chain uncertainty and environmental management

  Environmental practices % of capital budget to environment
  Model 1.1 Model 1.2 Model 1.3 Model 2.1 Model 2.2 Model 2.3
Plant sizec .134 .118 .133 .047 .059 .049
Company sizec −.133 −.141 −.131 .037 .041 .036
Provinced −.083 −.058 −.081 −.170* −.188** −.172*
ISO 14001e .180* .181* .177* .086 .085 .088
Demand uncertainty   −.148*    .098  
Supply uncertainty    −.037    .031
R-square .056** .077** .057* .056* .065* .057*
F-statistics 3.433 3.835 2.805 3.337 3.116** 2.706
∆ R-square   .021* .001   .009 .008
  1. aStandardized betas reported. Number of observations: 237 for environmental practices and 231 for capital budget
  2. b** = p-value < .01; * = p-value < .05;  = p-value < .10
  3. cThe company and plant size were computed by taking the natural logarithmic transformation of the number of employees
  4. dThis is a dummy variable where 0 is Ontario and 1 is Quebec
  5. eThis is a dummy variable where 0 is a not ISO 14001 certified plant and 1 is a certified plant