What is the percentage of income received by the upper quintiles on line L?

The size of the underground economy would tend to decrease if the government of a country

A) decreased government regulations on businesses. B) made over-the-counter drugs illegal. C) increased income tax rates. D) increased business taxes.

Other things being constant, if the U.S. real rate of interest exceeds that of its trading partners, we expect

A. an appreciation of U.S. currency. B. a worsening of the U.S. balance of payments. C. political instability in the United States. D. that a "dirty float" will emerge.