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January 17, 2005
The Physics of Bookselling
An interesting article from physicist Didier Sornette about the physics of book sales and, in my opinion, also the sales of lots of other products. He highlights the importance of "exogenous shocks" such as great reviews from big sources causing spikes in sales, vs. "endogenous shocks" such as positive word of mouth that cause a gradual rise in sales. Kind of traditional product PR (analyst tours, reviews, testimonials) vs. grass roots or guerilla marketing under the radar. Wonder where he thinks blogs fit in?
Given that we had only few exogenous shocks (big name reviews), but a seemingly growing positive word of mouth, it is nice to hear that he thinks the latter generally builds more enduring sales.
From Scott Loftesness and Johnlu.
Posted by johnza at January 17, 2005 05:03 AM
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