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.
Shift Factors of Aggregate Demand. Aggregate Demand can increase or decrease depending on several things. In effect, these things will cause shifts up or down in the AD curve. Exchange Rates: When a country's exchange rate increases, then net exports will decrease and aggregate expenditure will go down at all prices.