An economic system in which most prices, property, and production are directly controlled by the state is best defined as

What do economists use gross domestic product to measure?

a. the rate of government spending in the economy b. the total value of goods and services produced in an economy c. the total impact of import revenues on the domestic economy d. the total value added by government expenditures in the economy

According to the text, the Supreme Court's division of intra- and interstate commerce ended because

A. they could not find a clear principle that distinguished them. B. business interests wanted the distinction ended. C. politicians wanted the distinction ended. D. the Necessary and Proper clause granted Congress the power to regulate intrastate commerce, too. E. None of these are correct.