The theoretical literature on platforms and network effects predicts that the initial growth and takeoff of a platform … experiment in which invitations to join a newly launched platform were sent to 16,349 individuals and included randomized … consistent with subjective expectations playing a crucial role in shaping early adoption and platform takeoff. Statements …

platform may increase consumer welfare if network effects are large or may decrease welfare due to higher prices or reduction … in platform variety. We study the net effect of this trade-off in the context of the merger between the two largest … causally estimate network effects at the platform and market level. We find that consumers are, on average, not substantially …

increasingly central role in tech companies – tackling problems such as platform design, strategy, pricing, and policy. Over the …

settings as reflected by user responses to market design features (allocation of visibility, investments in human capital … efficiency in matching, production?)? We draw upon economic theory as well as evidence from empirical research on online contract …

that retail margins are on the order of 10%, and use the model to analyze the design of search rankings. Our model explains … most of the effects of a major re-design of eBay's product search, and allows us to identify conditions where narrowing …