分析了世界几个主要国家及我国近几年成品油消费弹性系数的历史变化情况。
The article analyzes historical changes of the elastic coefficient of oil products' consumption in world's main countries and China in recent years.
能源需求与经济增长之间存在着长期均衡关系，能源消费弹性系数为0.58，即经济增长每增加1%，对能源的需求量将增加0.58%。
Elasticity coefficient of energy consumption is 0.58. That is to say, if the value of economic growth increases by 1 percent, the energy consumption would increase by 0.58 percent.
分析了恩格尔系数、各类商品的边际消费倾向和需求收入弹性的变化。
Analyzing Engel s coefficients, change of trend of marginal consumption of varieties of goods and demand income flexibility.
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