Which of the following is exempt from taxation (a tax exemption)?

Because the PPF is a straight line in the Ricardian model, Foreign's import demand curve is:

a. upward sloping in parts. b. flat in parts. c. downward sloping in parts. d. flat everywhere.

Refer to Table 2-4. Assume Dina's Diner only produces sliders and hot wings. A combination of 50 sliders and 50 hot wings would appear

A) along Dina's production possibilities frontier. B) inside Dina's production possibilities frontier. C) outside Dina's production possibilities frontier. D) at the vertical intercept of Dina's production possibilities frontier.