(a)What is the definition of: leading indicator, coincident indicator, and lagging indicator of the 'Business Cycle? Provide 2 examples of each leading, coincident and lagging indicator

(b) What is meant by zero unemployment? Is 'zero unemployment' desirable? Explain

(c)Define the three ranges of the aggregate supply curve in the AD/AS framework.

(d)Define what are expansionary and contractionary discretionary fiscal policies.