As the number of workers increases, the marginal product of labor declines.
随着工人数量增加，劳动的边际产量递减。
The increase in capital increases the marginal product of labor and the value of marginal product of labor for any given quantity of labor.
美国国内资本增加，使劳动力的边际产量和边际产量价值增加，引起劳动力需求曲线右移，所以工人工资上涨，工人就业数量增加。
With more labor working with capital and land, the marginal product of capital and land is higher, so rents earned by owners of land and capital would increase.
移民增加导致劳动力供应增加，引起工资降低。因为和土地和资本结合的劳动力数量增加，使资本和土地的边际产量增加，土地和资本的租金也将增加。
With more labor working with capital and land, the marginal product of capital and land is higher, so rents earned by owners of land and capital would increase.
移民增加导致劳动力供应增加，引起工资降低。因为和土地和资本结合的劳动力数量增加，使资本和土地的边际产量增加，土地和资本的租金也将增加。
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