The Fed's Policies under Volcker In the years 1979 to 1982, under the leadership of Paul Volcker, the Fed adopted a tight money policy to reduce the nation's inflation rate. When the Fed adopted its tight money policy under Volcker's leadership, which curve shifted in the aggregate supply - aggregate demand model, and which way did it shift? Choose one answer below: O The aggregate demand curve shifted to the left. O The aggregate demand curve shifted to the right. O The aggregate supply curve shifted to the left. The aggregate supply curve shifted to the right