(二)总产量、平均产量、边际产量之间的数量关系 Input-output relationship(without price) 2500 Total product Marginal Product Average Product 2000 Point of tangency 1500 Note that Rational region of Production AP is at a 1000 ocimum where it is 500 cut by MP 20406080100120140160180200 280 500（二）总产量、平均产量、边际产量之间的数量关系 Input-output relationship (without price) -500 0 500 1000 1500 2000 2500 0 20 40 60 80 100 120 140 160 180 200 220 240 260 280 Total Product Marginal Product Average Product Rational Region of Production Point of tangency Note that AP is at a maximum where it is cut by MP