a. What is the relationship between the natural rate of unemployment and frictional, structural, and cyclical unemployment?

b. What would happen to both unemployment and the normal rate of unemployment if:

i. cyclical unemployment increases.

ii. frictional unemployment increases.

iii. structural unemployment falls and cyclical unemployment rises by the same amount.

iv. structural unemployment increases and cyclical unemployment decreases by a larger amount.

v. frictional unemployment decreases and structural unemployment increases by the same amount.