A profit-maximizing perfect competitor will ___________ operate at that output at which MC = MR.

If people expect the foreign exchange rate for dollars to rise in the future

A) the demand for dollars today decreases. B) the demand for dollars today increases. C) the demand for dollars today is unaffected. D) there is a movement along the demand curve for dollars.

The figure above shows the demand for fruit snacks. Which movement reflects an increase in the price of a substitute for fruit snacks?

A) from point a to point e B) from point a to point b C) from point a to point c D) from point a to point d