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.
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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