When Does Short-Run Macroeconomic Equilibrium Occur

Multiple Choice

When does short-run macroeconomic equilibrium occur?

A) When the price level is constant in the short-run.
B) When the equilibrium lies on the long-run supply curve.
C) When aggregate demand and short-run supply intersect.
D) The two criteria - that aggregate demand and short-run aggregate supply intersect and that the equilibrium lies on the long-run supply curve - must both be satisfied.