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Also, we obtain that, for low levels of the network effect, the monopolist prefers not to cover the market, whereas for higher levels, optimal prices are such that all consumers buy one of the two qualities. Finally, there is an introductory price strategy which is optimal for the good that benefits from network externalities.<\/jats:p>","DOI":"10.1515\/bejte-2013-0092","type":"journal-article","created":{"date-parts":[[2013,9,27]],"date-time":"2013-09-27T12:01:19Z","timestamp":1380283279000},"page":"381-414","source":"Crossref","is-referenced-by-count":1,"title":["When Should a Monopolist Improve Quality in a Network Industry?"],"prefix":"10.1515","volume":"13","author":[{"given":"Filomena","family":"Garcia","sequence":"first","affiliation":[{"name":"Indiana University, Department of Economics, Bloomington US University of Lisbon, ISEG\\School of Economics and Management, Lisbon, Portugal, UECE \u2013 Research unit on complexity and economics, Lisbon, 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