Research Article
Investigating the Causal Relationships between Project Complexities and Project Cost: An Empirical Study from New Zealand
| Hypotheses | Path link | Estimate | SE | CR | -value | Significant |
| H1 | TCL ⟶ PC | 0.993 | 0.285 | 3.488 | | Yes | H2 | OCL ⟶ PC | 0.680 | 0.206 | 3.299 | | Yes | H3 | MCL ⟶ PC | 0.077 | 0.192 | 0.400 | 0.689 | No | H4 | LCL ⟶ PC | 0.033 | 0.149 | 0.221 | 0.825 | No | H5 | EEC ⟶ PC | 0.304 | 0.472 | 0.645 | 0.519 | No | H6 | MCL ⟶ TCL ⟶ PC | 0.068 | No | H7 | MCL ⟶ OCL ⟶ PC | 0.499 | Yes | H8 | LCL ⟶ TCL ⟶ PC | 0.304 | Yes | H9 | LCL ⟶ OCL ⟶ PC | 0.466 | Yes | H10 | EEC ⟶ TCL ⟶ PC | 0.117 | No | H11 | EEC ⟶ OCL ⟶ PC | 0.150 | No | H12 | EEC ⟶ MCL ⟶ PC | 0.084 | No | H13 | EEC ⟶ LCL ⟶ PC | 0.035 | No | H14 | EEC ⟶ MCL ⟶ TCL ⟶ PC | 0.074 | No | H15 | EEC ⟶ MCL ⟶ OCL ⟶ PC | 0.542 | Yes | H16 | EEC ⟶ LCL ⟶ TCL ⟶ PC | 0.323 | Yes | H17 | EEC ⟶ LCL ⟶ OCL ⟶ PC | 0.494 | Yes | MCL ⟶ TCL | 0.068 | 0.463 | 0.147 | 0.987 | MCL ⟶ OCL | 0.734 | 0.243 | 3.019 | 0.003 | LCL ⟶ TCL | 0.306 | 0.119 | 2.568 | 0.010 | LCL ⟶ OCL | 0.686 | 0.274 | 2.502 | 0.012 | EEC ⟶ MCL | 1.086 | 0.075 | 14.48 | | EEC ⟶ LCL | 1.061 | 0.080 | 13.25 | | EEC ⟶ TCL | 0.118 | 0.127 | 1.486 | 0.137 | EEC ⟶ OCL | 0.220 | 0.175 | 1.258 | 0.208 |
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SE = standard error; = significant at 0.001 level; = significant at 0.05level. Estimate>0.3 indicates significant indirect relationship. |