Workshop on Sociological Perspectives on Global Climate Change

Table 2. Form of individual country regressions, countries with per capita GDP greater than $12,000 as of
2004 only (time trend and lag term included; presence of linear, quadratic, or cubic trends indicates that
regression coefficients significant at the 10% level or better).

β 1 =0

β 2 =0

β 3 =0

null

β 1 >0

β 2 =0

β 3 =0

linear,

positive

β 1 >0

β 2 <0

β 3 =0

quadratic,

downward-U

β 1 >0

β 2 <0

β 3 >0

cubic

Number of

countries

High-income

countries

3.1 %

6.2 %

53.1 %

37.5 %

32