SCENARIO: Developers of a new housing scheme spend money putting in roads, lighting and clearing land surrounding the scheme. (1) The type of market failure represented by the scenario is a/an (2) The market fails in this scenario because (3) Solution to the market failure is (4) The equilibrium quantity is the socially efficient quantity. (5) The private benefit curve is (6) The private cost curve is (7) The Efficient output is found where the