Plot demand and marginal revenue, and total revenue qp (q) as a function of q.

将需求，边际收益，总收益表示为q的函数。

youdao

Marginal utility, defined as "the rate of change of total utility", is the utility of the last orange plus the change in utility of the preceding oranges when one more is added.

而定义为“总效用变动率”的边际效用，是指当增加一个橙子时，最后一个橙子的效用加上原有橙子效用变动之和。

youdao

It is the rate of change in total utility per unit change in quantity and is not the utility of a marginal unit.

它是（商品）量的每单位变动带来的总效用变动率，而不是边际单位的效用。

youdao

In its place we can then simplify personal taxation: just treat all investment income (yes, dividends and capital gains) the same as we treat any other form of income, to be taxed at whatever is the appropriate marginal rate for the total income of the recipient.

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Using the data from 1913 through the end of 2011, the correlation between the maximum marginal income tax bracket and total Federal receipts is a negative 0.50.

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If we hold additional cash or banks hold additional cash reserves, total utility will rise, but marginal utility will likely fall.

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