1. Tying and freebies in two-sided markets;Amelio;Int. J. Ind. Organ.,2012
2. Competition in two-sided markets;Armstrong;Rand J. Econ.,2006
3. Australian Competition and Consumer Commission, 2019. Digital Platforms Inquiry – Final Report. June, available at: https://www.accc.gov.au/system/files/Digital%20platforms%20inquiry%20-%20final%20report.pdf.
4. Autorité de la concurrence, A., Bundeskartellamt, 2016. Competition Law and Data, 10 May. Available at: http://www.autoritedelaconcurrence.fr/doc/reportcompetitionlawanddatafinal.pdf. and https://www.bundeskartellamt.de/SharedDocs/Publikation/DE/Berichte/Big%20Data%20Papier.html.
5. Barriers to New Competition;Bain,1956