Assume Qs represents the quantity supplied at a given price and Qd represents the quantity demanded at the same given price. Which of the following market conditions produce a downward movement of the price?

Gasoline prices in the United States decreased significantly between 2008 and 2009. A decrease in the price of gasoline, holding other things constant, will cause which of the following to occur?

A) increase the demand for gasoline. B) decrease the demand for gasoline. C) increase the quantity of gasoline demanded. D) decrease the quantity of gasoline demanded.

When expectations of inflation are revised upward, the short-run Phillips curve: a. shifts rightward. b. becomes steeper. c. shifts leftward

d. becomes flatter.