本研究以1990到2011年金磚五國─巴西、俄羅斯、印度、中國與南非的縱衡資料,檢驗製造產業產值、交通運輸里程數及天然氣燃料使用對二氧化碳排放造成的傷害之影響。研究方法包含Qnet類神經網路、固定效果與隨機效果迴歸模型,和門檻自我迴歸。研究結果顯示製造業與二氧化碳的關聯為正相關,這些新興工業化國家一心想追趕上已開發的世界強國,每年排放出的二氧化碳量以倍數增長中。交通運輸方面,在交通運輸與二氧化碳的關聯也為正相關,在新興國家產業的繁榮背後,需要可靠的物流運輸、便捷的鐵路和空中運輸當作後援。而,在天然氣的部分,這方面再三有學術討論支持與論證天然氣是最乾淨能源之一,因此,研究天然氣的消費與二氧化碳的關聯是負相關,是符合理論依據的。
This study takes the BRICS panel data, including Brazil, Russian, India, China and South Africa, to exam the influence of adjusted savings: carbon dioxide damage from manufacturing, transport miles by roads railways and air and carbon dioxide emissions from gaseous fuel consumption, from 1990 to 2011. The study methods are adopted Qnet back-propagation neural network, fixed effects model and random effects model and threshold auto-regressive model. Then, the results show that both manufacturing and transport miles are positively related with adjusted savings: carbon dioxide damage. These evidences can connect with that new industrialized countries are eager to chase developed countries, so the carbon dioxide emissions they have produced increase by many times. Additionally, behind the flourish progress of these new industrialized countries, they need reliable transport systems to support, which also results in tremendous carbon dioxide emissions. On the other way, as for gaseous fuel consumption, there were many academic discussions, approved that natural gas is one of the most cleanest energy resources. This study confirmed the fact again with negatively correlation between adjusted savings: carbon dioxide damage and carbon dioxide emissions from gaseous fuel consumption.
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