There is only one firm in a monopoly

In order to provide alternatives to drug-crop production, the Andean Trade Preference Act (ATPA) was created, providing Bolivia, Colombia, Ecuador, and Peru tariff free access to U.S. markets for many goods

Indicate whether the statement is true or false

Which of the following statements is correct?

a. In both the Keynesian and classical systems, aggregate demand is an important determinant of output and employment b. In classical and monetarist models, money is the primary factor determining changes in aggregate demand. c. Aggregate demand in the Keynesian model is determined entirely by the quantity of money, whereas in the classical model, money is one of several factors determining aggregate demand d. None of the above