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rival +‎ -ry?



rivalry (countable and uncountable, plural rivalries)

  1. The relationship between two or more rivals who regularly compete with each other. The term usually applies to two rivals.
    The Boston Bruins have a longstanding rivalry with the Montreal Canadiens.
  2. In economics, rivalry is a characteristic of a good. Rivalrous goods are those which can be consumed by only one person at the same time -- for example, a candy bar or a suit; a non-rivalrous good may be provided to more consumers at a very low marginal cost for each additional consumer.
    • unknown, Department of Economics, University of Pittsburgh, at Johnstown, “Public Goods”, in (Please provide the book title or journal name)[1], retrieved 2013-12-02:
    Common goods are those which are rivalrous in consumption but non-excludable