Table 3.

Correlation among composite indices

	Processing, Π	Fabrication, Φ	Use, Ψ	Addition, Ω	Discard, Δ	Log (GDP)	HDI
Π	1.00
Φ	0.51	1.00
Ψ	0.28	0.86	1.00
Ω	0.35	0.84	0.91	1.00
Δ	0.35	0.88	0.98	0.86	1.00
Log (GDP)	0.31	0.79	0.89	0.91	0.85	1.00
HDI	0.37	0.78	0.86	0.86	0.78	0.91	1.00