The theory of limit pricing suggests that firms may charge higher short-run prices to restrict future entry。（ ）
举一反三
- Copyrights and patents are examples of barriers to entry that give firms monopoly pricing powers.
- Two interpretations of the IS-LM model are that the model explains：（ ） A: the short-run quantity theory of income, or the short-run Fisher effect. B: changes in government spending and taxes, or the determination of the supply of real money balances. C: the determination of investment and saving, or what shifts the liquidity preference schedule. D: the determination of income in the short run when prices are fixed, or what shifts the aggregate demand curve.
- Providers of long-term funds may not restrict future borrowing.
- In high-low pricing, retailers charge low prices on an everyday basis with occasional price increases.
- The short run industry supply curve can be found by horizontally summing the short run supply curves of all the individual firms in the industry.