The law of demand states that there is a negative relationship between price and quantity demanded, ceteris paribus

What is the four-firm concentration ratio if the four largest firms in an industry account for 5 percent, 6 percent, 7 percent, and 8 percent of total revenue?

A) 26 percent B) 174 percent C) 1,680 D) There is enough information given to answer the question, but none of the answers above are correct. E) There is not enough information given to answer the question.

The various ways that vertical relationships can evade regulation include

a. tying the sale of an unregulated good to a customer's choice of a regulated good b. unbundling regulated and unregulated goods c. preventing the exclusion of rival unregulated goods d. insuring tax rates are uniform across jurisdictions