Efforts are also being made to deploy similar measures to other cross border vectors including: 1  Pedestrian radiation portal monitoring. 2  Air freight radiation portal monitoring. 3  Crane based radiation portal monitoring. 4  Air luggage radiation portal monitoring. 5  Railway radiation portal monitoring.
All of these factors are macroeconomic factors that may increase the aggregate demand. Monetary policies cause increases in aggregate demand because the central bank of a country uses this particular economic factor as a tool to manipulate the spending of the citizens in a country.
An increase in government purchases shifts the aggregate demand curve to the left. A decrease in government purchases shifts the aggregate demand curve to the right. The shift in the aggregate demand curve is not exactly the amount of the government purchase though.hanges in Taxes. The two instruments of fiscal policy are government spending and taxation. A tax increase depresses consumer spending and shifts the aggregate demand curve to the left. A tax cut shifts the aggregate demand curve to the right.