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?

"Bad news" about an expenditure-related indicator means that

A) it is lower than its previous value. B) it is lower that it was expected to be. C) it is higher than it was expected to be. D) it rose more slowly than the rate of inflation.

Some employers choose to discriminate as a means of ____ information costs by hiring workers from a similar background as those that were ____ productive in the past

a. increasing; more b. reducing; more c. increasing; less d. reducing; less