【简答题】Refer to Figure 7-1. When the price rises from P1 to P2, consumer surplus (7.0分)A. increases by an amount equal to A. B. decreases by an amount equal to B+C. C. increases by an amount equal to B+C. D....
【判断题】Suppose that when the price rises by 10% for a particular good, the quantity demanded of that good falls by 20%. The price elasticity of demand for this good is equal to 2.0.
【单选题】The table gives some data on the supply of roses in a small town. When the price rises from $15 a dozen to $25 a dozen, the elasticity of supply is ( ).