define the aggregate demand and aggregate supply.Explain the equilibrium in aggregate supply and demand analysis.

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define the aggregate demand and aggregate supply.
Explain the equilibrium in aggregate supply and demand analysis.

是AD-AS模型的平衡,是AS与AD曲线交点.在该点:产品市场,货币市场,要素市场同时达到均衡.
AD-AS模型是完整的国民收入决定理论.
aggregate demand :AD
agreegate suplly :AS
AD与AS曲线中:AD曲线是产品市场与货币市场平衡即由IS-LM曲线得来的,
AS曲线比较复杂 在短期即SAS曲线是倾斜向上的而长期而言即LAS是垂直与纵轴的.