Many hobbyists have neither the expertise nor facilities to prepare a bull for competition.

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The Department of Justice, on the other hand, sees competition coming only from other nationwide, facilities-based providers.

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In more concrete terms, hospital competition is welfare-enhancing up to five facilities in a local area.

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Such a reform would not only bring more clarity, it would also encourage competition and a more efficient use of scarce airport facilities.

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Home to two ice rinks, 18 badminton courts and 10 regulation-size basketball courts, the complex is one of the only legacy buildings - Olympic facilities built specifically to remain after the Games end - that hosted competition.

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Experts cite strong competition for faculty, student demand for state-of-the-art classrooms and facilities, and a decline in federal support for research facilities as the big cost drivers.

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Most of the investments are in production facilities, RNCOS notes, adding that Brazil is likely to evolve into a production hub, becoming tough competition for China and India, and providing a platform for multinationals to develop and sell branded and generic versions of their off-patent medicines into other Latin American markets, if not further afield.

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New facilities take time to build and London is unlikely to have any new runways before 2015, limiting the scope for competition between the three airports.

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