An increase in the price of a substitute shifts the demand curve to the _______

A capital inflow occurs when a

A) domestic resident purchases a domestic asset. B) domestic resident purchases a foreign asset. C) foreign resident purchases a domestic asset. D) foreign resident purchases a foreign asset.

Suppose that real domestic output in an economy is 300 units, the quantity of inputs is 50, and the price of each input is $9. The level of productivity in this economy is:

A. 50. B. 5. C. 6. D. 9.