Question: When Apple raised the price of iTunes from 99 to
When Apple raised the price of iTunes from 99¢ to $ 1.29, GS Boyz’s “ Stanky Legg” sales dropped from 22,686 units to 19,692 units (Glenn Peoples, “ iTunes Price Change: Sales Down, Revenue Up in Week 1,” Billboard, April 15, 2009). What was the song’s arc elasticity of demand?
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