Z is a normal good. The equilibrium price and quantity of Z in the year 2011 was $25 and 60 units, respectively. In 2014, the equilibrium price of Z had increased to $35 but the equilibrium quantity had decreased to 50 units
Other things remaining the same, which of the following could explain this change? A) Shift of the supply curve of Z to the left
B) Shift of the supply curve of Z to the right
C) Shift of the demand curve for Z to the left
D) Shift of the demand curve for Z to the right
A
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Which of the following macroeconomic variables would be drawn accurately as perfectly inelastic?
A. Aggregate demand B. Short-run aggregate supply C. Long-run aggregate supply D. None of these should be drawn as perfectly inelastic.
What is the law of comparative advantage, and why is it important in international trade?
International trade has the potential to
A. increase the availability of goods and services to those nations that export more than they import. B. increase the availability of goods and services to those nations that have an absolute advantage in the production of a good or service. C. increase the availability of goods and services to all nations. D. decrease the availability of goods and services to all nations.
Applied to perfectly competitive labor markets, the marginal principle tells firms to hire workers until:
A. the marginal revenue product of the last worker hired equals the wage. B. marginal productivity begins to diminish. C. average total costs are minimized. D. the price of the product equals the wage of the worker.