In the neoclassical model, any increase in aggregate demand leads to demand-pull inflation, resulting in a rise in the price level while real GDP and unemployment rates remain unchanged in the long run.
In the neoclassical model, when there is a rapid increase in aggregate demand, in the long run, it leads to inflationary pressures only. This means that any increase in aggregate demand will result in demand-pull inflation, causing the price level to rise but real GDP and the rate of unemployment stay constant, adjusting to their natural rates.
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