You read an article in a news magazine that explains how the economy expanded for several years, and then went into a period of contraction. what is the main subject of this article?
a. poverty
b. microeconomics
c. the business cycle
d. voluntary exchange
what happens to the equilibrium price when supply goes down?
a. the price goes up.
b. the price goes down.
c. the price stays the same.
d. the price goes up, and then goes down.

Consider a treasury bill with a rate of return of 5% and the following risky securities: security a: e(r) = .15; variance = .0400 security b: e(r) = .10; variance = .0225 security c: e(r) = .12; variance = .1000 security d: e(r) = .13; variance = .0625 the investor must develop a complete portfolio by combining the risk-free asset with one of the securities mentioned above. the security the investor should choose as part of her complete portfolio to achieve the best cal would be a. security a b. security b c. security c d. security d

Which of the following would cause a shift to the right of the supply curve for gasoline? i. a large increase in the price of public transportation. ii. a large decrease in the price of automobiles. iii. a large reduction in the costs of producing gasoline

What talent or skill do u wish too develop for yourself