This result is sometimes called the "terms of trade effect".

这一情况时常被称为“贸易条件效应”。

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The crisis had a negative effect on trade.

这次危机对贸易产生了很坏的影响。

《牛津词典》

Many shops in China were ordered to shut down as a new law against ivory trade came into effect on January 1st, 2018.

2018年1月1日，一项针对象牙贸易的新法律生效，中国许多商店被勒令关闭。

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Before it went into effect some economists predicted the trade agreement would increase sales of Indonesian commodities such as palm oil,copper,and rubber, but would hurt low-end manufacturers.

VOA: standard.2010.05.13

The intractable difficulties in working out the trade effect from previous currency unions means that previous estimates are fatally flawed.

ECONOMIST: The supposed benefits of monetary union are cut down to size

Again, you have to look at the full effect on the economy, and as with trade the effect is that welfare overall increases.

FORBES: Misunderstanding the Benefits of High-Skilled Immigrants

Bush-era trade quotas on steel demonstrate a secondary effect of trade restrictions.

FORBES: Two Cheers For A Big U.S. Trade Deficit