When firms are neither entering nor exiting a perfectly competitive market, a. total revenue must equal total cost for each firm. b. economic profits must be zero. c. price must equal the minimum of marginal cost for each firm. d. both a and b are correct.

The board of directors is the highest ranking body in a corporation, and the chairman of the board is the highest ranking individual. the ceo generally works under the board and its chairman, and the board generally has the authority to remove the ceo under certain conditions. the ceo, however, cannot remove the board, but he or she can endeavor to have the board voted out and a new board voted in should a conflict arise. it is possible for a person to simultaneously serve as ceo and chairman of the board, though many corporate control experts believe it is bad to vest both offices in the same person. true false

When the national economy goes from bad to better, market research shows changes in the sales at various types of restaurants. projected 2011 sales at quick-service restaurants are $164.8 billion, which was 3% better than in 2010. projected 2011 sales at full-service restaurants are $184.2 billion, which was 1.2% better than in 2010. how will the dollar growth in quick-service restaurants sales compared to the dollar growth for full-service places?

You were able to purchase two tickets to an upcoming concert for $100 apiece when the concert was first announced three months ago. recently, you saw that stubhub was listing similar seats for $225 apiece. what does it cost you to attend the concert?