We examine the productivity implications of external knowledge flows obtained through an Internet-enabled discussion forum in which IT professionals help one another solve problems related to the implementation and use of enterprise software. Consistent with the absorptive capacity framework...

We examine whether ownership of intellectual property rights (IPR) or downstream capabilities is effective in encouraging entry into markets complementary to a proprietary platform by preventing the platform owner from expropriating rents from start-ups. We study this question in the context of...