firms choose to produce and sell at any level
Appreciation 升值
An increase in the value of a currency as measured by the amount of foreign currency it can buy
Automatic stabilizers 自动稳定器
Changes in fiscal policy that stimulate aggregate demand when the economy goes into a recession without policymakers having to take any deliberate action
Average fixed cost 平均固定成本
Fixed costs divided by the quantity of output
Average revenue 平均收益
Total revenue divided by the quantity sold
Average tax rate 平均税率
Total taxes paid divided by total income