Aggregate Demand Curve

The aggregate demand curve is a concept from neoclassical microeconomics that symbolizes the total demand for goods and services from all participants in an economy. A line slopping downward from left to right represents the aggregate demand curve, and each point on the aggregate demand curve represents a specific level of demand at a specific price. The slope of the aggregate demand curve line indicates that demand for goods and services increases as prices decrease. A number of factors, such as real interest rates, affect the position of the aggregate demand curve. For example, if real interest rates increase, the aggregate demand curve will shift upward and to the left because higher rates make capital goods more expensive. Similarly, a reduction in interest rates will move the aggregate demand curve downward and to the right, because lower rates make capital goods less expensive. Changes in economic growth expectations, total wealth, currency exchange rates, and inflation expectations will also move the aggregate demand curve to the right or left, depending on whether the changes give consumers more purchasing power or less.