In the United States, federal efforts to clean up the environment are coordinated by the

For which of the following goods would demand be most price elastic: a car, a sedan, a Honda sedan, a Honda Accord, a black Honda Accord?

Economists who have studied the composition of "proprietor's income" have found that this income item is made up of:

A. Wages and profits, mostly wages B. Interest and profits, mostly profits C. Rent and interest, mostly interest D. Wages and interest, mostly wages