Was based primarily on supply side economics.
a. buying on margin
b. reaganomics
c. stagflation
d. deficit spending

Ronald Reagan's policy of Reaganomics focused on supply side economics. Some people refer to it as "trickle down economics". The basic premise is that if regulations are lowered on companies, they won't have to spend as much to meet these regulations, and they will pay employees more. Unfortunately, Reaganomics only resulted in a wealthier upper class and a lack of regulation.

The answer is ethnic groups.