I can't understand, for an e-book, agreed that you have to pay something for the one who thought and wrote, but sometimes, even for a new and popular article, an ebook is more expensive than a paperback one.
Does it relate to demand elasticity since those who purchase ebook are the one who "have" more money to spend on books? You can't keep them forever (accidentally deleted or the format became obsolete (like HD-DVD)) like a normal book.
I want to read on an e-reader since it saves trees
and convinience but this makes me just want to get a normal instead.