-、限制价格 A major problem with maximum prices is likely to be the emergence of black markets, where customers, unable to buy enough in legal markets, may well be prepared to pay very high prices. Another problem is that the maximum prices reduce the quantity produced of an already scarce commodity. To minimize these types of problem the government may attempt to reduce the shortage by encouraging supply: by drawing on stores, by direct government production, or by giving subsidies or tax relief to firms. Alternatively, it may attempt to reduce demand: by the production of more alternative goods or by controlling peoples incomes,一、限制价格 A major problem with maximum prices is likely to be the emergence of black markets, where customers, unable to buy enough in legal markets, may well be prepared to pay very high prices. Another problem is that the maximum prices reduce the quantity produced of an already scarce commodity. To minimize these types of problem the government may attempt to reduce the shortage by encouraging supply: by drawing on stores, by direct government production, or by giving subsidies or tax relief to firms. Alternatively, it may attempt to reduce demand: by the production of more alternative goods or by controlling people’s incomes