Which of the following is concerned with social regulation?

The deadweight loss (or excess burden) resulting from levying a tax on an economic activity is the

a. tax revenue raised by the government as the result of the tax. b. loss of potential gains from trade from activities forgone because of the tax. c. increase in the price of an activity as the result of the tax levied on it. d. marginal benefits derived from the expansion in government activities made possible by the increase in tax revenues.

(Consider This) North Korea's command economy:

A. is one of the few remaining command economies. B. has grown much faster than South Korea's economy since the two countries were divided after World War II. C. produces a per capita GDP of nearly $25,000. D. has undergone significant market reforms and is now one of the fastest-growing economies.