Refer to the accompanying figure, which shows the annual domestic supply and annual domestic demand for jeans in a small country.If the world price of a pair of jeans is $40, and this country is open to trade with the rest of the world, then it will ________ pairs of jeans each year.

Since lower-income people spend a larger proportion of their incomes on groceries than do higher-income people, if grocery stores were required by law to charge a 10-cent fee for disposable bags, this fee could be considered a

A) progressive tax. B) proportional tax. C) regressive tax. D) income tax.

Which of the following would increase prices for U.S. consumers?

a. a tariff on imported automobiles b. an automobile import quota c. a foreign government subsidizing auto production d. (a) and (b) above only