Table 3. Estimates from a fixed-effects model, 1980-2004 (lag term included, standard errors in
parentheses). Dependent variable: per capita CO 2 emissions in metric tons.
All CountriesPer capita GDP
.1117***(.0225)
Per capita GDP^2
-.0043***(.0009)
Per capita GDP^3
.0001***(.0000)Agricultural sector
-.0044***(.0012)
Service sector
.0077***(.0018)
Service sector^2
-.0001***(.0000)
Exports
.0000(.0008)
Imports
.0007(.0011)
Urbanization
.0121*(.0049)
Urbanization^2
-.0001**(.0000)
Lagged per capita CO 2
.6226***(.0696)Constant
-.5582**(.1921)Number of observations
2223- p < .05 ** p< .01 *** p < .001