Last month China also won its first-ever case in America against an anti-dumping decision.

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The Commission is legally obliged to open an anti-dumping investigation if it receives a valid complaint from a company that can provide evidence that one or more countries are dumping a particular product into the E.

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An upsurge in anti-dumping cases is likely in Latin America, especially if Brazil devalues, as Colombia and Ecuador already have.

ECONOMIST: Creeping protection

Politicians will not dismantle the single market, but there is a lot they can do to meddle: doling out state aids, encouraging mergers and alliances to create national or European "champions", and taking an aggressive stance on foreign imports through things like anti-dumping complaints.

ECONOMIST: European politics

The new wave of anti-dumping cases is particularly alarming because protectionists are pushing at an open door.

ECONOMIST: Unfair protection | The