They tweaked the credit-scoring software of a microfinance firm so that only a random subset of people with marginal credit histories were accepted as clients.

他们对一家小额贷款公司的信用评分软件进行了调整，只有那些只有少量信贷历史的人可以作为贷款对象。

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In order to sell an additional unit of output the firm must lower the price of all units sold (not just the marginal one).

为了多销售一单位产品，企业必须将所有出售产品的价格降低，而不仅仅是最后一单位产品。

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It's commonly viewed as the only equilibrium outcome that each firm earns zero profit in the homogeneous product Bertrand game with constant marginal cost.

在不变边际成本的同质产品伯川德价格博弈中，通常认为唯一均衡结果是各个企业获得零利润的纯战略纳什均衡。

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Suppose Firm 1 is pricing at marginal cost and Firm 2 is pricing at something higher, a little bit higher.

假设公司1定价在边际成本,公司2定价稍微高点,高一点点

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Firm 1 is pricing at marginal cost, the best response if the other guy is pricing at marginal cost is to price at marginal cost or above.

公司1定价在边际成本,针对对手定价在边际成本的最佳对策,是定价高于或等于边际成本

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Suppose Firm 1 is pricing at marginal cost is this a Nash Equilibrium?

假设公司1定价在边际成本,这是纳什均衡吗

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And, they calculate that the marginal effective tax rate on investment by a U.S. firm in a low-tax country is, remarkably, a negative 24 percent.

FORBES: A New Way To Address The International Tax Mess For U.S. Companies

During recent auctions in Alberta, Canada, and in Angola, the firm's know-how helped it secure the best fields, while rivals overpaid for marginal ones.

ECONOMIST: Oil