Which of the following is a necessary feature of the notion of the market as a competitive process and the model of perfect competition?
A) Freedom of entry
B) Price taking behavior
C) Perfect and complete information
D) All firms produce identical products.
E) All of the above.
A
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The rational expectations hypothesis suggests that
A) people are creatures of habit and tend not to change their economic behavior in the short run. B) people are rational if they make forecasts about economic activity. C) people use all available information to make forecasts about future economic activity and adjust their behavior to these forecasts. D) people use all available information to make forecasts about future economic activity but often fail to adjust their behavior to these forecasts.
Assume that an economy's income multiplier is 2 and that this economy is in equilibrium at $500 billion. If the government wants to move this economy to full-employment at $600 billion, while maintaining a balanced budget, it must choose which of the following options?
a. increase government spending and taxes by $100 billion b. decrease government spending and taxes by $100 billion c. increase government spending and taxes by $200 billion d. decrease government spending and taxes by $200 billion e. raising the equilibrium level of income while maintaining a balanced budget is impossible