Stock markets are down sharply, commodity prices have tumbled and volatility is up.

证劵市场明显下跌，商品价格下跌，波动率上扬。

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The most recent entry to the top 20 is Robert Shiller's 1981 paper documenting the excessive volatility of stock prices.

在20佳论文中，最为晚近的一篇是罗伯特·希勒1981年关于股价过度波动的论文。

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The incredible volatility of stock prices is ultimately an expression of the volatile emotions and logic of hundreds of millions of investors.

不可思议的股价波动终极是亿万投资者的情绪波动和逻辑推理的表达。

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Users can program the system to flag sudden shifts in default probabilities, then break them down to see if they result from changes in leverage, stock prices or stock-price volatility.

FORBES: Default-risk bookies

Positive sentiment from better-than-expected earnings has been countered by rising prices, the uneven pace of the economic recovery, the federal deficit and recent volatility in stock prices.

FORBES: AAII Survey: Are Gas Prices Affecting Outlook On Stocks?

The volatility in stock prices, recent drop in commodity prices and continued high cost of gasoline have taken their toll on investor confidence.

FORBES: Why Is Investor Pessimism At Nine-Month High?