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Numbers vary wildly:

  • $465 billion in 2008 - Dean Kamen towards the end of his TEDMED 2010 presentation. See link below at 58:02
  • $200 billion, according to Terry Rhoads, a former Nike marketing executive who is general manager of Zou Marketing, a Shanghai company that advises on sports management and promotion. Source added below.
  • "the personal consumption expenditure (PCE) on the spectator sports segment reached $25.4 billion" - WR HAMBRECHT + CO, a full-service investment bank, in its 2012 report. Source added below.
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11y ago

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