In the long-run equilibrium in a perfectly competitive market, the economic profit of the firms is

The first major piece of antitrust legislation was:

a. Clayton Act. b. Celler-Kefauver Act. c. Sherman Antitrust Act. d. Rockefeller Act. e. Robinson-Patman Act.

Along the Keynesian range of the aggregate supply curve, higher aggregate demand fails to stimulate output and only causes inflation

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