A consumer values a car at $30,00 . and a producer values the same car at $20,000 . If the transaction is completed at $24,000 . what level of tax rate will result in unconsummated transaction?

According to William Shepherd, in the U.S. economy

a. Herfindahl indexes have been increasing, indicating a decrease in competitiveness b. Herfindahl indexes have been decreasing, indicating a decrease in competitiveness c. the market share of the largest manufacturing firms has increased, indicating a decrease in competitiveness d. competition has decreased because of exports, regulation, and insufficient antitrust activity e. competition has increased because of more imports, deregulation, and antitrust activity

By differentiating their products and promoting brand name loyalty, monopolistically competitive firms can raise prices without losing all their customers

a. True b. False Indicate whether the statement is true or false