一些人(不是全部)将近期食品和金属价格的飙涨归咎于商品的过度投机行为。
Immoderate speculation in commodities is blamed by some people (not all) for the recent sharp spikes in food and metal prices.
任何国家都难以避免过度投机行为，但是这一情况在中国的高频率发生应该使政策制定者作认真思考。
No country is immune to the occasional speculative frenzy, but their frequency in China should give policy makers pause.
虽然单方面干预不大可能改变长期走势，但往往会威慑过度投机行为及降低波动，使走势更加“有序化”。
While unilateral intervention is unlikely to change long term trends, it is used to deter excessive speculation and attempt to reduce volatility in favor of more 'orderly' movement.
有的学者认为，课征证券交易税或提高证券交易税的税率能增加交易成本，抑制投机，降低市场的波动性；反之，则刺激过度投机行为，扩大股市波动的幅度。
Some scholars believe that levying securities transaction tax or raising the tax rate will increase transaction costs, curb speculation, and reduce market volatility, and vice versa.
商品期货交易委员会也由于石油和天然气的价格泡沫而变得更加激进地打击“过度投机行为”，本周结束的听证会预示着将对能源市场上的期货交易商采取头寸限制。
The CFTC, emboldened by bubbles in oil and gas prices to fight "excessive speculation", this week wrapped up hearings that foreshadow position limits for futures traders in energy markets.
这部分的取决于你的分析前提认为金融市场是有效的，还是生来就有行为非理性与投机过度的倾向。
That depends, in part, on whether you begin from the premise that financial markets are efficient, or that they are inherently prone to irrational behaviour and speculative excess.
正如预计，帕潘德里欧将市场波动归咎于投机行为，但他也承认，希过度消费使自身变得脆弱。
Predictably, Mr Papandreou blames speculators for the flare-up in the markets. But he also concedes that his country has been left vulnerable by its own profligacy.
正如预计，帕潘德里欧将市场波动归咎于投机行为，但他也承认，希过度消费使自身变得脆弱。
Predictably, Mr Papandreou blames speculators for the flare-up in the markets. But he also concedes that his country has been left vulnerable by its own profligacy.
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