Amazon should introduce a progressive scale similar to the ones widely used in tax bracketing. The higher rates only kick in at price points that ensure the sale of a higher priced e-book will always result in more revenue for the author, even if the general trend is to take a bigger cut of higher priced items.
(Not that I am a fan of Amazon's publishing model - it just seems they are tripping over an already solved problem.)
(Not that I am a fan of Amazon's publishing model - it just seems they are tripping over an already solved problem.)