The revolutionary concept put forward by John Maynard Keynes was to stimulate aggregate demand through expansionary fiscal policy

Which of the following situations will arise in the domestic market following the imposition of a tariff?

A) imports decrease, domestic production increases, prices decrease B) imports decrease, domestic production increases, prices increase C) imports increase, domestic production decreases, prices decrease D) imports increase, domestic production increases, prices increase

When the quantity of coal is measured in kilograms instead of pounds, the demand for coal becomes

A) more elastic. B) less elastic. C) neither more nor less elastic. D) undefined.