Which of these is the best measure of the average standard of living in an economy?

Use the information in the above table. The external marginal costs are

A) increasing. B) decreasing. C) constant. D) inverse to quantity produced.

If the price of a good decreased, a. It would also increase the quantity exchanged if it was caused by an increase in demand

b. It would also decrease the quantity exchanged if it was caused by an increase in supply. c. We would not know how quantity would change if we didn't know whether it was due to a change in demand or a change in supply. d. All of the above would be true.