Dependent variable	Source of causation (CO2 vs. Renew)
	Short run		Long run
	Panel A: Full
	ΔCO2	ΔRenew	λ	λ/ΔCO2	λ/ΔRenew
ΔCO2	--	0.58	4.72 **	--	2.29 *
ΔRenew	0.33	--	149.97***	55.14***	--
	Panel B: OECD
	ΔCO2	ΔRenew	λ	λ/ΔCO2	λ/ΔRenew
ΔCO2	--	28.35***	3.20 *	--	19.75***
ΔRenew	0.91	--	120.81***	49.14***	--
	Panel C: non-OECD
	ΔCO2	ΔRenew	λ	λ/ΔCO2	λ/ΔRenew
ΔCO2	--	1.18	2.50	--	2.08
ΔRenew	0.97	--	79.62***	26.59***	--