7Search.ccproductive efficiency on monopoly diagramproductive efficiency on monopoly diagramproductive efficiency in monopolymonopoly productive efficiency pointcan monopoly achieve productive efficiencynatural monopoly productive efficiencymonopoly diagram allocative efficiencymonopoly allocative and productive efficiencyis a monopoly productively efficientmonopoly diagram a level economicsefficient level of output monopolymonopoly graph allocative efficiencyis a monopoly efficient