Among the Factors Accounting for the Rapid Build-Up of the Social

Multiple Choice

Among the factors accounting for the rapid build-up of the Social Security trust fund is:

A) a significant increase in fertility rates resulting in an increase in the size of the labor force.
B) a significant fall in fertility rates.
C) a decrease in the number of people who are self-employed.
D) a large increase in the labor force due to the entrance of baby-boomers.