This article fails to bring several factors into its economic model. It should be about incentives and demand elasticity here - the "steepness" of the demand curve.<p>According to the article, he recieves $0.35 from a Kindle sale, and ~$2 from a traditional book sale. In this case, he would need to sell (2/0.35) = 5.7 times as many Kindle books as traditional books to be neutral between the options. To get the equivalent incentive from traditional books, he would need to sell ~175,000 traditional books.<p>Since he offers both physical and Kindle editions for his books, the question becomes, did ~175,000 customers purchase the Kindle book who normally would have purchased the physical book? Probably not, IMO.<p>So basically, it sounds like Locke actually knows what he's doing - he's driven by monetary incentives and his arrangement has more-or-less maximized his proceeds.