There is a plethora of research literature about the diversification effect of stock portfolio overseas.

对股票投资组合国际多元化的效应的研究，国外的文献已经多如汗牛充栋了。

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Diversification of formation mechanism of regional industry brands results in differences to different degrees in their effect.

区域产业品牌形成机理的多样化导致区域产业品牌效应也存在不同程度的差异。

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At that time, diversification of marketing conditions will bring profound effect on international textiles and garment trade.

届时，市场条件的变化将会给世界纺织品服装贸易带来深刻的影响。

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The diversification effect that comes from investing in countries with low cross-correlations can result in both an increase in return and a reduction in volatility at the total portfolio level over the long term.

FORBES: Why Global Diversification Still Makes Sense

Investors also need to be made aware of the benefits of diversification and of the effect on their portfolios of tax rules and regulations.

ECONOMIST: Buttonwood

Under these circumstances, diversification among such sources is but a stop-gap solution that can, at best, have a temporary effect on oil supply and, hence, on national security.

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