An Economic Analysis of Platform Sharing
---- Acknowledgements -----
We wish to thank Reiko Aoki, George Baker, Hans Gottinger, Hideshi Itoh (the editor), an anonymous referee, and participants at the 20th Annual TRIO conference for insightful comments, and Jonathan Lim for his excellent research assistance. Morita is grateful for support from the Australian Research Council. The views expressed herein are those of the author(s) and do not necessarily reflect the views of the National Bureau of Economic Research.