Article 11 a business operator shall not, for the purpose of pushing out their competitors, sell their commodities at prices lower than costs.

第十一条经营者不得以排挤竞争对手为目的，以低于成本的价格销售商品。

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Investors continue to expect steep oil price volatility in the months ahead as political strife continues in the Arab world pushes prices higher and the recession bound economies of Europe are pushing prices lower.

FORBES: Oil Prices Show No Clear Direction, Consultant Says

The global glut is pushing prices relentlessly lower.

ECONOMIST: Could it happen again?

And some form of shock or other force pushing prices higher or lower might inspire a monetary policy response.

FORBES: Inflation Fears and Facts