An example of a public good is

Keynes believed that unstable investment caused the Great Depression. Using the simple Keynesian model, explain how a fall in investment affects equilibrium output

What will be an ideal response?

Consider an economy made up of 100 people, 60 of whom old jobs, 10 of whom are looking for work, and 15 of whom are retired. The number counted as unemployed is:

A. 10. B. 15. C. 40. D. 30.