扩展的线性支出系统需求函数模型是一类经济意义清楚，具有广泛应用价值的需求函数模型。
ELES (Extended Linear Expenditure System) is a good demand model which has explicit economic meaning and is used extensively.
扩展的线性支出系统需求函数模型是一类经济意义清楚，具有广泛应用价值的需求函数模型。
ELES (Extended Linear Expenditure System) is a good demand model which has explicit economic meaning and is used extensively.
应用推荐