二、完全竞争市场上工资水平的决定 (一)劳动的需求 the demand for labor Marginalproductivity theory. The theory that the demand for a factor depends on its marginal revenue product Marginal cost oflabor cl). This is the extra cost of employing one more worker: normally MCl w(wage) Marginal revenue product oflabor MrPL). The extra revenue that a firm earns from employing one more worker: MRPL= MPPL X MR
二、完全竞争市场上工资水平的决定 (一)劳动的需求the demand for labor ▪Marginal productivity theory. The theory that the demand for a factor depends on its marginal revenue product. ▪Marginal cost of labor (MCL). This is the extra cost of employing one more worker: normally MCL = W (wage). ▪Marginal revenue product of labor (MRPL). The extra revenue that a firm earns from employing one more worker: MRPL = MPPL × MR
完全竞争市场上工资水平的决定 (一)劳动的需求 the demand for labor There are several determinants of the demand or labor The wage rate, or the price of labor. The productivity of labor. The demand for the good The importance of la bor for the production
二、完全竞争市场上工资水平的决定 (一)劳动的需求the demand for labor There are several determinants of the demand for labor: ▪The wage rate, or the price of labor. ▪The productivity of labor. ▪The demand for the good. ▪The importance of labor for the production
完全竞争市场上工资水平的决定 (一)劳动的需求 the demand for labor ■在实际经济活动中,对劳动的需求主要取决于劳动 的边际生产力。 ■劳动的边际生产力是指在其他条件不变的情况下, 增加一单位劳动时间所增加的产量。 一劳动的边际生产力是递减的,生产经营者在购买劳 动时要使劳动的边际成本一工资等于劳动的边际产品 劳动的需求曲线是一条向右下方倾斜的曲线,表明 劳动的需求量与工资成反方向变动
二、完全竞争市场上工资水平的决定 (一)劳动的需求the demand for labor ◼在实际经济活动中,对劳动的需求主要取决于劳动 的边际生产力。 ◼劳动的边际生产力是指在其他条件不变的情况下, 增加一单位劳动时间所增加的产量。 ◼劳动的边际生产力是递减的,生产经营者在购买劳 动时要使劳动的边际成本-工资等于劳动的边际产品 ◼劳动的需求曲线是一条向右下方倾斜的曲线,表明 劳动的需求量与工资成反方向变动
二、完全竞争市场上工资水平的决定 工资(元/小时) 劳动需求量(小时) 2200 34579 2000 1800 1600 1400 12 1200
二、完全竞争市场上工资水平的决定 工资(元/小时) 劳动需求量(小时) 3 2200 4 2000 5 1800 7 1600 9 1400 12 1200