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精编密训教材，分阶快递。marginal factor cost - the cost to an employer of buying one more unit of a resource, such as labor. In competition, this will be the same as the wage. However, for a monopsony, it will be greater than the wage. monopsony- a single buyer of a good or resource, such as the only employer of a particular kind of labor.
*human capital- skills, education, training and experience that enable a worker to become more productive. These are not used up as the worker works; the worker still has them even though she/he has used them on the job. They also require an investment to obtain, and thus resemble capital, because of the investment and durability characteristics.
compensating wage differentials- wage differences that are based on job characteristics such as unpleasantness or danger of a profession.
Lorenz Curve-a curve that measures the degree of income inequality as contrasted with income equality
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