2.a) Price elasticity of demand is the ratio of percentage change in quantity demanded of the good to percentage change in price of the good. Here price elasticity of demand = 15.5%/4.2%= 3.69. Hence the price elasticity of demand is 3.69.
2.b) Since the elasticity is greater than 1 it is elastic. Due to price change there was more than proportionate decline in demand for tickets. It shows that consumers are responsive to price changes and if price increases there will be more than proportionate decline demand for tickets.
2) Concert ticket prices hit new high note E t2 msi USA Today, July 10, 2001...