如果把黄页目录的每年使用数量除以相同大小广告所需费用,就可看到平均花费一块钱,哪种黄页目录能提供最大效用。
If you then divide directories' uses-per-year figures by their charge for the same size AD, you'll see which directory provides the highest number of USES per dollar.
这个断定,即效用的增加会“反比于现今拥有的商品的数量”里假设了一个比例常数b的存在,那对于此荒谬的假设,伯努利给出的证据是什么呢?
What evidence doesBernoulli have for this preposterous assumption, for his assertion that anincrease in utility will be "inversely proportionate to the quantity ofgoods already possessed"?
这个断定,即效用的增加会“反比于现今拥有的商品的数量”里假设了一个比例常数b的存在,那对于此荒谬的假设,伯努利给出的证据是什么呢?
What evidence does Bernoulli have for this preposterous assumption, for his assertion that an increase in utility will be "inversely proportionate to the quantity of goods already possessed"?
That is, share repurchase can change the units of measurement in a security and companies have to decide how leveraged the stock will be, which changes the stock price--leverage, meaning how much debt the company takes on.
即 股票的购回会改变,已发行股票的单位数量,公司需要决定,股票的杠杆效用是多少,杠杆会改变股价,杠杆指的是公司举债的多少
The idea is that for any amount of money-- if this x is the amount of money that I receive-- utility as the function of the amount of money I receive is downwardly-concave.
这种观点是对于任何数量的货币,假设我得到x数量的货币,随着货币的增加,边际效用呈,向下凹进去的曲线
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