inferior goods, negative cross price elasticity of demand --- two goods are substitute, positive compliments, negative price elasticity of supply --- positve 做题时请看清题目,有一年的题中给出income elasticity of demand = -2,则表明在收入增加时,demand反方向移动,在减少 要...
In February 2021, the Labor Department’s consumer price Index was running just 1.7% ahead of a year earlier. From there, the year-over-year price increases accelerated steadily — 2.6% in March, 4.2% in April, 4.9% in May, 5.3% in June. By October, the figure was 6.2%, by ...