Research Article

Relationship Study on Land Use Spatial Distribution Structure and Energy-Related Carbon Emission Intensity in Different Land Use Types of Guangdong, China, 1996–2008

Table 7

ADF values and integration orders of variables in each model.

ModelAgricultural landIndustrial land   Residential and
  commercial land
Traffic landOther land
variablesADF valueIntegration orderADF valueIntegration orderADF valueIntegration orderADF valueIntegration orderADF valueIntegration order

lnGE−7.0353***1−3.3655**1−4.2561***1−3.9848**1
lnGC−5.6262***1−3.6838**1−3.5406**1−4.6038***0
lnLS−3.3381**1−2.7999*1−2.7910**1−3.6112**1−3.8533*1
lnCI−6.3699***1−3.6165*1−3.7370**1−5.9159***1−5.1981***1

Notes: *, **, *** denote significance at the 10%, 5%, and 1% levels, respectively.