We analyze how the introduction of digital technologies for storing and distributing information affects the incentives to enforce copyrights protection. We first characterize the conditions under which the change from non-digital to digital distribution may enhance or reduce profits. Secondly,...

We compare monopoly profit, consumer surplus, and total welfare associated with three commonly-used tying strategies: no tying, pure tying, and mixed tying. Whereas previous literature focused mainly on profit comparisons, this paper evaluates the relationship between component production costs...