@article{oai:nagoya.repo.nii.ac.jp:00019078,
 author = {CHE, Wenjiao},
 issue = {2},
 journal = {経済科学},
 month = {Dec},
 note = {This paper investigates the incentives to differentiate products horizontally in a collusive two-sided media market. The findings show that externalities between advertisers and consumers participating in the media have important impacts on the sustainability of collusion and the optimal product choice, namely, that platforms differentiate their products to a greater degree for large externalities to prevent collusion from breaking down.},
 pages = {17--29},
 title = {Product Differentiation and Collusion in a Two-Sided Media Market},
 volume = {62},
 year = {2014}
}