Overconfident investors will trade too frequently, that is, the gains overconfident investors realize through trade will be less than they anticipate and may not even offset trading costs.

过度自信的交易者会频繁交易，他们的收益甚至不能抵消交易成本。

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In addition, Islamic finance differs from conventional Western methods by focusing on profit-sharing, with wealth generated through trade and investment in assets, such as property or commodities.

VOA: standard.2010.02.15

But he hopes to raise billions through a system in which businesses that release greenhouse gases would buy and trade pollution permits.

VOA: special.2009.02.27

IOM monitors in Anbar province report increasing numbers of children are leaving school to help support their families through begging, petty trade or doing odd jobs.

VOA: standard.2009.09.20

He estimates that 40% of the candidates he places into jobs are identified through trade groups.

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The Black Death is thought to have originated in China and spread to Europe through trade.

ECONOMIST: The dragon and the eagle | The

Ultimately, he said, they should be enforced through trade sanctions, the WTO's ultimate weapon.

CNN: ASIANOW - TIME Asia | Business: Rage Against The Machine