Skip to main content
. 2015 Jan 12;112(20):6283–6288. doi: 10.1073/pnas.1315545112

Table 1.

Emission elasticities

Dataset Dependent variable No. of cities GDP per capita Pop. density HDD Fuel price Adjusted R2
WB GHGe per capita 26 0.18 −0.38** 0.13** −0.76* 0.70
GEA FE per capita 225 0.39*** −0.07*** 0.07*** −0.37*** 0.35
UITP UT FE per capita 87 0.45*** −0.42*** 0.02 −0.55*** 0.88
Combined 0.39*** −0.28** 0.13* −0.55***

FE, final energy; GHGe, greenhouse gas emissions; UT FE, urban transport final energy. Significance levels: ***P < 0.01; **P < 0.05; *P < 0.1.