"a salesperson for the midstate health plan has increased his sales by 15%, compared to an average sales increase of 5%. in addition, his cancellation rate is 10% above the average cancellation rate. he meets with his managers, who tell him that he needs to be careful that he is not sacrificing client quality for client quantity."

Suppose that, on the basis of a nation’s production possibilities curve, an economy must sacrifice 10,000 pizzas domestically to get the 1 additional industrial robot it desires but that it can get the robot from another country in exchange for 9,000 pizzas. now consider the following statement: “through international specialization and trade, a nation can reduce its opportunity cost of obtaining goods and thus ‘move outside its production possibilities curve.’”