The share of the bottom fifth of the population in total income in the last two decades has _____
A)decreased in the United States because of the growth of single-parent households.
B)increased in the United States because of an increase in the employment opportunities available to them.
C)decreased in the United States because of a decrease in their marginal productivity.
D)increased in the United States because of an improvement in their level of education.
E)decreased in the United States because of an increase in income tax rates.

Question

Quizplus · Accepted Answer

The share of the bottom fifth of the population in total income has decreased in the United States, largely due to the growth of single-parent households among other factors, which often results in lower household incomes.

The Share of the Bottom Fifth of the Population in Total