TABLE 11. MEANS AND COEFFICIENTS OF VARIATION* (C.V.) IN CARBON EMISSIONS

(Means in gigatonnes per year)

							Year

					2000      2025      2050      2075
	This Study**
		C.V.			38-39     87        120-128   128-158
		Median			6         7-9       8-11      8-13

	Nordhaus/Yohe
		C.V.			38.4      42.2      48.0      50.4
		Median			5         10        15        17


*Coefficient of variation is defined as 100 times the standard derivation divided by the mean.

**High value is in the zero correlation case, low value is in the nonzero correlation case.