In Keynesian analysis, which of the following government policy tools can be used to fight unemployment in the absence of full employment?
a- A drop in the real wage
B. An increase in the interest rate.
C. A reduction in unemployment insurance.
D. Tools A, B and C can be used to fight unemployment by
situation of absence of full employment.
E. Tools A, B and C cannot be used to fight unemployment
in the absence of full employment.