A diagram shows the quantity of tomatoes on the horizontal axis and the quantity of coffee on the vertical axis. The quantity of tomatoes remains constant as the quantity of coffee increases. The graph of these data is

The production function shows that potential GDP increases when the

A) price level rises. B) price level falls. C) inflation rate falls. D) quantity of labor employed increases. E) the wage rate falls.

Which of the following is an example of lower production costs brought about by the use of technology?

a) the delivery costs of gasoline to the consumer by diesel trucks b) the use of e-mail to replace slower surface mail c) the making of breads and pastries in local shops rather than large bakeries d) the importing of fresh vegetables from South America rather than using canned vegetables