Because of the flaws of the concentration ratio as a measure of the extent of competition in an industry, some economists prefer another measure of competition, the Herfindahl-Hirschman Index
Indicate whether the statement is true or false
TRUE
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If aggregate planned expenditures exceed real GDP, then
A) inventories increase above their planned levels and businesses decrease their production. B) inventories decrease below their planned levels and businesses decrease their production. C) there is no equilibrium level of real GDP. D) unplanned inventory changes equal zero. E) inventories decrease below their planned levels and businesses increase their production.
Which of the following is not a reason why low-income countries might experience low economic growth?
A) The country has a good education system. B) The country has a low rate of saving and investment. C) The country has endured extended periods of war. D) The country fails to enforce a rule of law.
Two operators of separate networks would not want to be compatible so they could connect their networks
Indicate whether the statement is true or false
People are unlikely to choose to pay extra for a low-emissions automobile, because they:
a. do not fully understand the environmental benefits of lower emissions. b. are better off "free-riding" on others' attempts to reduce emissions. c. would have to sacrifice fuel efficiency and automotive performance. d. cannot afford the extra expense of "green" technology.