> This is because it can easily be shown that the publisher doesn't incur damages, since the same amount of books are on the market at any given time. This str

> This is because it can easily be shown that the publisher doesn't incur damages, since the same amount of books are on the market at any given time. This strikes me as an approximation. If, in digital lending, the licence can change-hands instantly and across any physical distance, then it's not analogous to physical lending. Two people might be able to 'time share' a single licence, in a way that wouldn't be possible with a physical book.