The model of aggregate demand and aggregate supply
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.
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.
is a straightforward extension of the model of supply and demand for a particular market, in which substitution of resources between markets is highlighted.
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.