The Grateful Dead (Before They Disbanded)sold Out Concert After Concert

Essay

The Grateful Dead (before they disbanded)sold out concert after concert and typically provided a good living for scalpers (people who buy up lots of tickets and resell them at a premium).Explain (using a supply and demand diagram)how the band's ticket pricing policy set an effective ceiling on the price of concert tickets.(Extra Credit: If the Grateful Dead knew their price of concert tickets was below equilibrium,why didn't they raise it?)