【单选题】Suppose Sam plans to buy only popcorn and soda. He has $40 to spend per week. A change in which of the following variables will change Sam's consumption possibilities? I. price of popcorn II. income...
【单选题】The demand curve for microwave popcorn is linear. Which of the following definitely makes the demand for microwave popcorn more inelastic? (微波爆米花的需求曲线是线性的。以下哪一个肯定会使微波爆米花的需求更无弹性?——中文由在线翻译而来,仅供参考)
A.
a decrease in the price of microwave popcorn微波爆米花价格下跌
B.
an increase in the price of microwave popcorn微波爆米花价格上涨