The recent years have exhibited a burst in the amount of collaborative activities among firms selling complementary products. This paper aims at providing a rationale for such a large extent of collaboration ties among complementors. To this end, we analyze a game in which the two producers of a...

This paper analyses the dynamics of hotel prices listed on Booking.com in the period 2014-16. This period is characterised by the most important antitrust decisions regarding the use of price parity clauses by online travel agencies (OTAs) in the EU. First, we document the dynamics of hotel...

We study whether complementarities can help a firm enter a market with strong network effects and incumbency advantages. We find that bundling the network good with a complementary good, or using the network good as a loss leader (i.e., pricing below marginal cost) can facilitate entry, but that...