Which statement explains the term 'allocative efficiency'?
The level of output at which average cost is at its lowest
The level of output at which marginal cost is equal to marginal revenue
The level of output at which price is equal to marginal cost
The level of output at which average revenue is equal to average cost
6 exam-style questions on OCR A Level Economics Perfect competition. Each one has a worked solution and a mark scheme showing where the marks go.