In some situations, private economic actors cannot solve the problem of externalities among themselves because of substantial _________ costs

Theory is to data as

A) economics is to the price of iPads. B) economics is to art. C) economics is to sociology. D) accounting is to economics.

Which of the following statements correctly characterizes the distribution of colonial wealth?

a. Colonial wealth was distributed equally across the population. b. While the distribution wealth was highly concentrated in the South, New England , the Middle colonies had very equal wealth distributions. c. Wealth inequality tended to be greatest in colonial cities. d. A permanent underclass of free poor people developed during the colonial period.