What proportion of renewable energy supplies is needed to initally mitigate CO2 emissions in OECD member conutries?
學年 98
學期 1
出版（發表）日期 2009-08-31
作品名稱 What proportion of renewable energy supplies is needed to initally mitigate CO2 emissions in OECD member conutries?
作品名稱（其他語言）
著者 Chien-Liang Chiu; Ting-Huan Chang
單位
出版者
著錄名稱、卷期、頁數 Renewable and Sustainable Energy Reviews 13(6–7), p.1669-1674
摘要 In spite of increasing numbers of countries having established renewable energy development mechanisms for carbon dioxide (CO2) emissions reduction, the CO2 emissions problem continues to worsen along with the growth of the world economy. This leads us to examine the threshold effect of the proportion of renewable energy supply for CO2 emissions reduction by means of the panel threshold regression model (PTR). Economic growth and the price of energy are also both taken into account in the model in measuring the specific influence that each of them has on CO2 emissions. The empirical panel data encompass all 30 member countries of the OECD and cover a period of about a decade in length from 1996 to 2005. Our empirical results provide clear evidence of the existence of a single threshold effect that may be divided into lower and higher regimes. Based on the specific estimates of the slope coefficients in each regime distinguished, we find that a renewable energy supply accounting for at least 8.3889% of total energy supply would mean that CO2 emissions would start to be mitigated. Furthermore, real GDP and the CPI of energy are significantly and positively and insignificantly and negatively correlated with CO2 emissions, respectively. These findings lead us to conclude that the authorities ought to enhance the proportion of renewable energy supply to more than 8.3889% of all energy supplied, which might help resolve the dilemma between economic growth and CO2 emissions. Realizing the effects of CO2 emissions reduction via energy price reforms or the levying of a carbon tax levy may, however, still remain a puzzle.
關鍵字 Renewable energy; CO2 emissions; Real GDP; Energy price; Panel threshold regression model
語言 en
ISSN 1879-0690; 1364-0321
期刊性質 國外
收錄於
產學合作
通訊作者
審稿制度 否
國別 GBR
公開徵稿
出版型式 ,電子版,紙本
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