举一反三
- In which of the following cases was the inflation rate 12 percent over the last year? A: One year ago the price index had a value of 110 and now it has a value of 120. B: One year ago the price index had a value of 120 and now it has a value of 132. C: One year ago the price index had a value of 134 and now it has a value of 150. D: One year ago the price index had a value of 145 and now it has a value of 163.
- The Marshall–Lerner condition indicates a stable foreign<br/>exchange market if the sum of the price elasticities of the demand<br/>for imports and the demand for exports0, in absolute terms, is less<br/>than 1. ()
- For a profit maximizing monopolist, price:
- She now( )the people who used to be her bosses. A: has control over B: has anthority over C: is entitled to D: has authority on
- If the elasticity equals -10，the Lerner Index equals 0。01（ ）
内容
- 0
The lowest possible price the monopolist can charge and still prevent entry is called the limit price（ ）
- 1
The Lerner Index is difficult to estimate because data are lacking on firms’ marginal costs。（ ）
- 2
Predatory pricing assumes that a monopolist maximizes profit until entry occurs， and that after entry， the monopolist expands output aggressively and cuts price。（ ）
- 3
In the case of mortgage, ______. A: the possession of the property remains with the lender B: the lender obtains constructive possession of the goods C: the lender's measure of control over the property is unlimited D: the possession of the property remains with the borrower
- 4
Suppose we know that a monopolist is maximizing its profits. Which of the following must be true? The monopolist has: