English

Noun

information velocity ‎(uncountable)

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.

References

• 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.