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isa.ac.za/samigo-app/jsf/delivery/deliverAssessment.fac The main difference between Friedman's natural rate of unemployment and the NAIRU O A. The Phillips curve is vertical at the natural rate of unemployment. O B. Changes in aggregate demand can affect the NAIRU. O c. Supply-side factors do not affect the NAIRU. O D. The NAIRU is determined independently of the inflation rate. Reset Selection Mark for Review What's This? Question 48 of 76 1 Points New Keynesian economics differs from new classical economics in that: O A. Price and wage rigidities are given a microeconomic explanation. OB. Stabilization policies are necessary to maintain full employment. O c. Unemployment can deviate from its natural rate in the short run. O D. Unemployment persists following an aggregate demand shock. Type here to search O