The researches on relationship between carbon dioxide emission and the influence factors in China

This paper investigates the relationship between carbon dioxide emissions and the influence factors in China. Eight affecting factors, namely, population (P), urban population (UP), primary industry output value (PIOV), secondary industry output value (SIOV) and tertiary industry output value (TIOV), primary industry output value proportion (PPIOV), secondary industry output value proportion (PSIOV), tertiary industry output value proportion (PTIOV), are chosen. Principal component analysis is used to extract four main components from the eight factors which can explain 99.83% of the variance of the eight affecting factors. Then ordinary least square regression is used to analyze the relationship between the four components and carbon dioxide emissions. Finally, we get conclusion: the expansion of the primary industry will lead to higher carbon dioxide emissions. At the same time, compared to the secondary industries, tertiary industry will produce higher carbon dioxide emissions.