For example, American deregulation in 1978 has fostered some successful low-cost competition to the benefit of consumers while antitrust laws remain entirely dormant in restraining incumbent carriers from wasteful anticompetitive behaviour against this competition.

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"They're going there to feed, or they're going there for meeting, where males and females could meet perhaps away from a feeding area, where there's less competition and more focus on mating behaviour, " he suggested.

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But whether the law really does promote competition or not depends crucially on the behaviour of the regulator.

ECONOMIST: Digital television

Another idea that really does not stand up to scrutiny: of all the activities that humans engage in that competition for sex is almost certainly the most market like behaviour we indulge in.

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"We regret Ferrovial's decision to exclude Ryanair from the Stansted sale process and the failure of the Competition Commission to restrain this anti-competitive and anti-customer behaviour by Ferrovial, " the airline said.

BBC: Ryanair dismisses Stansted Airport bid

The BBC reserves the right to take any contestant off-air and disqualify them from the competition at any time if they display offensive, abusive or any other kind of unsuitable behaviour.

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"These cartels for cathode ray tubes are 'textbook cartels': they feature all the worst kinds of anticompetitive behaviour that are strictly forbidden to companies doing business in Europe, " said EU Competition Commissioner Joaquin Almunia.

BBC: Cathode ray tube in old TV