implicit contract 隐含合同
an unwritten understanding between two groups involved in an exchange, such as an understanding between employer and employees that employees will receive a stable wage throughout fluctuating economic conditions
import function 进口函数
the relationship between imports and national income
incomplete markets 不完全市场
situations in which no market may exist for some good or for some risk, or in which some individuals cannot borrow for some purposes
increasing, constant or diminishing returns to scale 规模收益递增/不变/递减
when all inputs are increased by a certain proportion, output increases by a greater proportion (also known as economies of scale)
indexing 指数化
the formal linking of any payment to a price index
individual income tax 个人所得税
a tax based on the income received by any individual or household
infant industry argument for protection 幼稚工业保护论来自www.Examw.com
the argument that industries must be protected from foreign competition while they are young, until they have a chance to acquire the skills to enable them to compete on equal terms
infinite elasticity of demand 无限需求弹性
the situation that exists when any amount will be demanded at a particular price, but nothing will be demanded if the price rises even a small amount
infinite elasticity of supply 无限供给弹性
situation that exists when any amount will be supplied at a particular price, but nothing will be supplied if the price falls even a small amount
inflation tax 通货膨胀税
the decrease in buying power (wealth) that inflation imposes on those who hold currency (and other assets, like bonds, the payments for which are fixed in terms of dollars)
inflationary spiral 通货膨胀螺旋
a self-perpetuating system in which price increases lead to higher wages, which lead to further price increases
infrastructure 基础设施
the roads, ports, bridges, and legal system that provide the necessary basis for a working economy
insider-outsider theory 局内人—局外人理论
the theory that firms are reluctant to pay new workers (outsiders) a lower wage than current workers (insiders), because current workers will fear beingreplaced by the new log-wage workers and will not participate in cooperating with and training them
interest 利息
the return a saver receives in addition to the original amount she deposited, and the amount that a borrower must pay in addition to the original amount she deposited
interest rate effect 利率效应
the situation that exists when lower interest rates (resulting from an increase in the money supply, or a fall in the price level) induce firms to invest more
investment schedule 投资曲线
the relationship between the level of investment and the (real) rate of interest
investment tax credit (ITC) 投资税减免
a provision of the tax code in which the government reduces a company’s tax bill by an amount equal to a percentage of its spending on investment
involuntary unemployment 非自愿失业
the situation that occurs when the supply of those willing to work at the going market wage exceeds the demand for labor