The model of aggregate demand and aggregate supply
A)is different from the model of supply and demand for a particular market,in that we cannot focus on the substitution of resources between markets to explain aggregate relationships.
B)is different from the model of supply and demand for a particular market,in that we have to separate real and nominal variables in the aggregate model.
C)is a straightforward extension of the model of supply and demand for a particular market,in which substitution of resources between markets is highlighted.
D)is a straightforward extension of the model of supply and demand for a particular market,in which the interaction between real and nominal variables is highlighted.

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The Answer of The model of aggregate demand and aggregate supply
A)is different from the model of supply and demand for a particular market,in that we cannot focus on the substitution of resources between markets to explain aggregate relationships.
B)is different from the model of supply and demand for a particular market,in that we have to separate real and nominal variables in the aggregate model.
C)is a straightforward extension of the model of supply and demand for a particular market,in which substitution of resources between markets is highlighted.
D)is a straightforward extension of the model of supply and demand for a particular market,in which the interaction between real and nominal variables is highlighted.

The Model of Aggregate Demand and Aggregate Supply