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The estimate of government expenditure and revenue is referred to as the government budget. The government spending category comprises both developmental and non-developmental expenditures. Tax revenue generated from people and businesses in the economy is included in the government's receipt.

In the short run, prices in the economy are sticky or fixed, but in the long run, they are entirely flexible. This means that in the short run, prices do not fully adjust to the situation of the economic, whereas in the long run, prices fully respond to the status of the economy. In the long run, all sectors of the economy have full capital and labor mobility.

When enough time has passed and there are no fixed factors, the aggregate supply will shift from short-run to long-run. If the modification causes equilibrium to be disrupted, the equilibrium level is compared to the new short-run and long-run equilibrium levels.

When the government's deficit rises, the government's borrowing will rise as well. As a result, spending rises as well. As a result, aggregate demand will rise. Other changes are considered to have no effect on $AD$, therefore this increase in government spending will push the $AD$curve to the right. The graphic below illustrates this point.

Inflationary gap of $Y_2-Y_P$will result from the short term equilibrium. When prices and nominal wages rise in the long run, the $SRA{S}_1$shifts to the $SRA{S}_2$. Real $GDP$has returned to its potential. Now that one of the other components of aggregate demand has increased at every price level, the $AD$will rise even more.

The aggregate demand curve moves from $A{D}_1$to $A{D}_2$when government spending rises. The price level rises from $P_1$to $P_2$, while real $GDP$rises from $Y_1$to $Y_2$. As a result, in the short run, the equilibrium will be at the position where $A{D}_2$overlaps $SRA{S}_1$.

Now, when this increased price level is combined with a fixed nominal wage, the actual wage will be lower. Firms will hire more workers in order to produce a higher volume of output than before. The economy's new output level, $Y_2$, will be higher than its potential output. As a result, employment will rise above its natural level.

The economy with output of $Y_2$and a price level of $P_2$is only in short-run equilibrium; an inflationary gap equal to the difference between $Y_2$and $Y_P$will exist. Because real $GDP$is over potential, prices will be forced to climb even further.

As workers struggle to reclaim their lost purchasing power, the nominal wage will eventually rise. The $SRAS$curve will begin to alter when the nominal wage rises.

Away from the center, It will continue to shift to the extent that the nominal wage rises, and the nominal wage will rise to the extent that there is an inflationary gap.

These SRAS movements, on the other hand, will reduce real GDP, causing the gap to widen and employment to return to its natural level. As a result, these modifications will close the inflationary gap.