Externalities are social costs that affect parties external to a particular economic transaction

Which of the following countries has the least degree of measured income inequality?

a. India b. Brazil c. Mexico d. United States

In the business cycle, a trough marks the end of a(n) _____ and the beginning of a new _____

a. contraction; expansion b. peak; expansion c. expansion; contraction d. peak; contraction e. expansion; peak