A rightward shift of a demand curve represents a decrease in demand

Most economists would agree with which statement about fiscal policy?

A. It's useful when few resources are unemployed due to an aggregate demand shock. B. It's useful when a lot of resources are unemployed due to a real shock. C. It's useful when few resources are unemployed due to a real shock. D. It's useful when a lot of resources are unemployed due to an aggregate demand shock.

In a contestable market the Herfindahl-Hirschman Index is ________ and the market behaves as if it is ________

A) low; perfectly competitive B) low; a monopoly C) high; perfectly competitive D) high; a monopoly