The used car market is the classic example of quality uncertainty.

二手车市是品质不确定性的一个典型例子。

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Many foreign scholars tend to categorize information asymmetry into two classes-adverse selection and moral hazard-and the former is a direct blend of quality uncertainty.

国外学者习惯于将不对称信息问题划分为逆向选择与道德风险两大类，并直接把质量不确定性问题并入到逆向选择问题中。

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Hadley says Saudi officials argue that higher prices are driven more by uncertainty in the global market and the lack of refining capacity for the quality of oil most readily available.

哈德利说，沙特阿拉伯官员认为，石油价格的上涨更多地是由于人们对全球市场走向不确定，以及缺少提炼最容易获得的那种质量的石油的能力。

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Facebook does show consistently upward trending earnings projections, although it has faced scrutiny of the quality of those projections with the uncertainty in mobile.

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Due to this persistent uncertainty, each institution must signal quality through expensive proxy signals, such as the quality of their students, research, facilities, or athletic teams.

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Perhaps the most important uncertainty, though, is that caused by a lack of enough good-quality, long-term, internally consistent data.

ECONOMIST: Changing science