In the above figure, a sales tax of $1 per unit imposed on sellers ________ the price buyers pay and ________ the price that suppliers keep for themselves

A local restaurant offers an "all-you-can-eat" salad bar for $3.49. However, with any sandwich, a customer can add the "all-you-can-eat" salad bar for $1.49. This is an example of

A) peak-load pricing. B) second-degree price discrimination. C) a two-part tariff. D) tying. E) none of the above

When a nation reduces the barriers to international trade:

A. each individual citizen becomes worse off. B. the total value of all goods and services produced by the nation falls. C. the total value of all goods and serviced produced by the nation rises. D. each individual citizen becomes better off.