Q
Quantity demanded 需求量
The amount of a good that buyers are willing and able to purchase
Quantity equation 货币数量方程式
The equation MxV=PxY, which relates the quantity of money, the velocity of money and the dollar value of the economy’s output of goods and services
Quantity supplied 供给量
The amount of a good that sellers are willing and able to sell
Quantity theory of money 货币数量论
A theory that asserts that the quantity of money available determines the price level and that the growth rate in the quantity of money available determines the inflation rate; The theory that velocity is constant, so that changes in the money supply lead to proportionale changes in nominal income (which also equals the value of output)
quota rents 配额租金
profits that accrue to firms which are allocated the rights to import a good subject to quotas that result from the artificially created scarcity
quotas 配额
limits on the amount of foreign goods that can be imported