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.
If consumer spending increases, the aggregate demand curve will shift to the right. As for investment spendings: interest rates and expected returns affect this variable. As interest rates decrease, there will be more investments made.f consumer spending increases, the aggregate demand curve will shift to the right. As for investment spendings: interest rates and expected returns affect this variable. As interest rates decrease, there will be more investments made.