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1·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。

2·Economic coefficient is equal to the product of marginal profit and expressed discounted value for objective trait.

边际效益与性状表现贴现值之积即经济加权因子。