Please use this identifier to cite or link to this item: https://hdl.handle.net/10419/238006 
Year of Publication: 
2021
Series/Report no.: 
23rd Biennial Conference of the International Telecommunications Society (ITS): "Digital societies and industrial transformations: Policies, markets, and technologies in a post-Covid world", Online Conference / Gothenburg, Sweden, 21st-23rd June, 2021
Publisher: 
International Telecommunications Society (ITS), Calgary
Abstract: 
We investigate the effect of direct network externalities on the long- run dynamics of two-sided platforms. Two-sided platforms have been widespread in the economy, acting as intermediaries connecting two dis- tinct groups of agents. A defining characteristic of the two-sidedness is the existence of indirect network externalities between the two sides. How- ever, direct externalities can also be important in one or both sides of the market. For instance, direct externalities include review systems where buyers on the platform benefit from other buyers' ratings and comments. We find that considering direct externalities changes the dynamics quali- tatively. For example, instead of saddle path dynamics, they can lead to unstable node dynamics and the collapse of a platform.
Document Type: 
Conference Paper

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