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information velocity



information velocity (countable and uncountable, plural information velocities)

  1. (physics) The speed at which information is transmitted through a particular medium
  2. (marketing) The speed of information flow about a product in a market
  3. (finance) The rate at which information that influences the price of securities in informationally efficient markets moves through the market.


  • Duke Physics
  • H. A. Bell, “Velocity of Information in Efficient Markets: A Theory of Market Value Change”, in The Journal of Investing, volume 21, number 3 (Fall 2012), pages 55–59.