The price level in the United States is more flexible downward than upward.

Southwest has the highest rate of ____________ baggage and worst ________________ performance among major airlines.

Fill in the blank(s) with the appropriate word(s).

A market maker faces the following demand and supply for widgets. Eleven buyers are willing to buy at the following prices: $15, $14, $13, $12, $11, $10, $9, $8, $7, $6, $5 . Eleven sellers are also willing to sell at the same prices. How many transactions must the market maker make if he wants to maximize his profits?

a. 1 b. 2 c. 3 d. 4