I was just browsing Amazon for a book and I noticed that some of the ‘used’ books are being advertised at prices significantly higher than the basic selling price for the new book. Why would anyone purchase the book at the higher price? And why would the seller ask for such an obviously inflated price (some of the offers are 100% over the base price)?!
Perhaps the used book seller is assuming that the main store might run out of stock for periods of time, when their offer may well be relevant. Still, what is the rationale for a 100% markup?