What is the Herfindahl-Hirschman Index and what does it measure?
What will be an ideal response?
The Herfindahl-Hirschman Index, or HHI, is an index used to measure the extent to which a market is dominated by a small number of firms. The HHI equals the sum of the squared percentage market shares of each of the 50 largest firms in the market. A monopoly will have a HHI of 10,000 whereas perfect competition will have a small HHI.
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The structure of a firm can fail in similar ways to market failure
Indicate whether the statement is true or false
The following is an example of Radio Shack hedging its foreign currency risk
A) needing to pay 9,000 yen per radio to its suppliers in a month, Radio Shack makes a forward-exchange deal to buy yen. B) needing to pay 9,000 yen per radio to its suppliers in a month, Radio Shack makes a forward-exchange deal to sell yen. C) needing to pay 9,000 yen per radio to its suppliers in a month, Radio Shack buys yen at a spot-exchange 1 month from now. D) needing to pay 9,000 yen per radio to its suppliers in a month, Radio Shack sells yen at a spot-exchange 1 month from now. E) needing to pay 9,000 yen per radio to its suppliers in a month, Radio Shack sells yen in a forward-exchange deal.
All factors of production usually experience:
A. decreasing average variable cost. B. diminishing marginal productivity. C. decreasing average fixed costs. D. diminishing total productivity.
Under a system of flexible exchange rates, an increase in demand for a nation's currency in the foreign exchange market will
a. cause the nation's currency to appreciate. b. make it more expensive for the nation to import goods. c. cause the nation's balance on current account to shift toward a surplus. d. make it less expensive for foreigners to buy the nation's goods.