When a group of separate companies comes together to work together in order to control production and prices they are called

This would be a cartel: when a group of companies works together to control the market through price fixing or limiting supply in order to maximize their mutual benefit. A well-known example is OPEC (Organization of Petroleum Exporting Countries), which decides how much oil to produce and at what price.

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donald carl johanson (born june 28, 1943) is an american paleoanthropologist. he is known for discovering – with yves coppens and maurice taieb – the fossil of a female hominin australopithecine known as "lucy" in the afar triangle region of hadar, ethiopia.

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