Draw or find an example of an aggregate demand and aggregate supply (AD/AS) model that illustrates the general trends of the U.S. economy during the Great Recession. Also provide responses to the following.

• How did the AD/AS equilibrium change over time? Support your claims by referring to your AD/AS model.
• Select an economic factor (GDP, unemployment, price level) and explain what impact any shifts in AD or AS (or both) had on your chosen factor.