Most of the increase in the monetary base between 2007 and 2012 was due to increases in:

Kathy and Amy paint pictures and do caricatures to sell to tourists. In one day, Kathy can either paint two pictures or do four caricatures. In one day, Amy can either paint three pictures or do three caricatures

For both Kathy and Amy, what is the opportunity cost of painting one picture? Who has the comparative advantage in painting pictures and who has the comparative advantage in doing caricatures? How might they be able to increase their total output?

How does the self-correcting mechanism act to pull the economy out of a recession?