Investigating the Causal Relationships between Project Complexities and Project Cost: An Empirical Study from New Zealand

Table 6

Structure model results.

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

SE = standard error;  = significant at 0.001 level;  = significant at 0.05level. Estimate>0.3 indicates significant indirect relationship.