Suppose there are 7 firms in the candy industry with the market shares shown above. What is the HHI for the industry?

Which of the following is classified as a final good or service?

i. tires bought by GM to put on new Tahoes ii. mustard bought by Subway to put on its sub sandwiches iii. your purchase of online access to the Wall Street Journal A) i and ii B) i, ii and iii C) iii only D) ii and iii E) ii only

The "double coincidence of wants" is

A) what is needed to use money. B) eliminated with the use of money. C) money's role as a unit of account. D) how value is stored when we transact with money. E) eliminated when we barter instead of using money.