markets and competitive equilibrium lecture 5 in this market the forces moving toward hypothesis of a single price changes demand supply case study gasoline prices scalping nd football tickets review given how much will be demanded quantity what is maximum amount would demanders willing to pay supplied minimum per unit acceptable suppliers ph an too high results excess at there more good being than consequently these who can t sell offer their output slightly lower have sale take away purchases from competitors forced maintain sales fall low pl supplies out still customers wanting buy product