# Does Intensive Land Use Contribute to Energy Efficiency?--Evidence Based on a Spatial Durbin Model
## 5 Discussions  
As the land use change has been the second largest factor contributing to the increase in global atmospheric carbon dioxide, more and more scholars are considering the need to emphasize ecological and environmental protection or the coordinated development of the  
\begin{table}
\begin{tabular}{c c c c} \hline \hline  & **(1)** & **(2)** & **(3)** \\  & **Single Threshold** & **Double Threshold** & **Third Thresholds** \\ \hline \multirow{8}{*}{\(W^{*}\)_Liu_} & _Threshold variable_ & \(-0.654\)** & \(-1.125\)** & \(-1.432\)* \\  & _\(\varepsilon<\delta 1\)_ & \((-2.30)\) & \((-2.02)\) & \((-1.83)\) \\  & _\(\delta 1<Threshold\)_ & \(1.744\)** & \(-1.201\)* & \(-1.532\) \\  & _variable \(\varepsilon\delta 2\)_ & \((4.40)\) & \((-1.92)\) & \((-1.39)\) \\  & _\(\delta 2<Threshold\)_ & — & \(3.601\)** & \(2.565\)** \\  & _variable \(<\delta 3\)_ & — & \((7.61)\) & \((3.07)\) \\  & _\(\delta 3<Threshold\)_ & — & — & \(2.278\)** \\  & _variable_ & — & — & \((2.19)\) \\ \multirow{2}{*}{\(GDP\)} & \multirow{2}{*}{\(0.272\)**} & \(0.252\)** & \(0.233\)** \\  & & \((-9.63)\) & \((-9.11)\) & \((-6.82)\) \\  & & \(0.183\)** & \(0.147\)** & \(0.215\)** \\ \multirow{2}{*}{\(Grp\)} & \multirow{2}{*}{\((-5.37)\)} & \((-5.70)\) & \((-4.10)\) \\  & & \(-1.895\)** & \(-2.348\)** & \(-2.394\)** \\  & & \((-4.46)\) & \((-5.14)\) & \((-6.65)\) \\ \multirow{2}{*}{\(Sr\)} & \multirow{2}{*}{\(3.273\)**} & \(2.127\)** & \(2.034\)** \\  & & \((8.81)\) & \((11.87)\) & \((7.88)\) \\ \multirow{2}{*}{\(Fdi\)} & \multirow{2}{*}{\(-0.712\)} & \(-0.096\) & \(-0.115\) \\  & & \((-1.09)\) & \((-1.04)\) & \((-1.20)\) \\ \multirow{2}{*}{\(Pat\)} & \multirow{2}{*}{\(-0.170\)} & \(-0.047\) & \(-0.130\) \\  & & \((-0.37)\) & \((-0.34)\) & \((-0.54)\) \\ \multirow{2}{*}{\(Ine\)} & \multirow{2}{*}{\((-0.11\)**} & \(-0.09\)** & \(-0.10\)** \\  & & \((-5.05)\) & \((-6.65)\) & \((-6.43)\) \\ \multirow{2}{*}{\(Time\)_fixed_} & \multirow{2}{*}{Control} & \multirow{2}{*}{Control} & \multirow{2}{*}{Control} \\  & & \((-6.65)\)** & \((-6.65)\) \\ \multirow{2}{*}{\(Individual\)_fixed_} & \multirow{2}{*}{Control} & \multirow{2}{*}{Control} & \multirow{2}{*}{Control} \\  & & \((-6.65)\)** & \((-6.65)\) \\ \multirow{2}{*}{\(Constant\)} & \((-6.65)\)** & \((-6.65)\) & \((-6.65)\) \\  & & \((-6.65)\) & \((-6.65)\) \\ \multirow{2}{*}{\(R^{2}\)} & \((-6.65)\)** & \((-6.65)\) & \((-6.65)\) \\  & & \((-6.65)\) & \((-6.65)\) \\ \multirow{2}{*}{\(Sample\)_size_} & \((-6.65)\)** & \((-6.65)\) & \((-6.65)\) \\  & & \((-6.65)\) & \((-6.65)\) \\ \multirow{2}{*}{\(\delta 1\)} & \multirow{2}{*}{\((-6.65)\)**} & \((-6.65)\) & \((-6.65)\) \\  & & \((-6.65)\) & \((-6.65)\) \\ \multirow{2}{*}{\(\delta 2\)} & \multirow{2}{*}{\((-6.65)\)**} & \((-6.65)\) & \((-6.65)\) \\  & & \((-6.65)\) & \((-6.65)\) \\ \multirow{2}{*}{\(\delta 3\)} & \multirow{2}{*}{\((-6.65)\)**} & \((-6.65)\) & \((-6.65)\) \\  & & \((-6.65)\) & \((-6.65)\) \\ \multirow{2}{*}{\(\delta 4\)} & \multirow{2}{*}{\((-6.65)\)**} & \((-6.65)\) & \((-6.65)\) \\  & & \((-6.65)\) & \((-6.65)\) \\ \multirow{2}{*}{\(\delta 5\)} & \multirow{2}{*}{\((-6.65)\)**} & \((-6.65)\) & \((-6.65)\) \\  & & \((-6.65)\) & \((-6.65)\) \\ \multirow{2}{*}{\(\delta 6\)} & \multirow{2}{*}{\((-6.65)\)**} & \((-6.65)\) & \((-6.65)\) \\  & & \((-6.65)\) & \((-6.65)\) \\ \multirow{2}{*}{\(\delta 6\)} & \multirow{2}{*}{\((-6.  
two in the process of intensive land use. In the meanwhile, energy efficiency, which plays a vital role in sustainable development of economy, has been the hot topic of research in the relevant field. On this basis, the relationship between land use and energy efficiency has also been concerned recently. Existing studies have mostly focused on the economic effects brought about by intensive land use and its impact on the environment, and few have directly explored the relationship between intensive land use and energy efficiency from a spatial perspective [45; 46; 47; 48].