The Fed could conduct an open market sale to eliminate an inflationary gap

Economists exclude many interesting economic structures and activities from their models. What they focus on is

a. the real world as they see it b. comparisons between the real world and their models c. understanding how their models work and the outcomes they generate d. the relationship between the physical economic reality and money e. the production of real goods and how they are traded

In 2012, what percentage of total income in the U.S. was earned by the richest fifth of all U.S. households?

a. 20% b. 30% c. 40% d. 50%