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Content and Access Provision in a Discrete Competition Model
Author(s) -
Petrus H. Potgieter,
Bronwyn Howell
Publication year - 2021
Publication title -
orion/orion
Language(s) - English
Resource type - Journals
eISSN - 2224-0004
pISSN - 0259-191X
DOI - 10.5784/37-2-704
Subject(s) - stylized fact , microeconomics , purchasing , revenue , economic surplus , competition (biology) , economics , complementarity (molecular biology) , product (mathematics) , product differentiation , marginal cost , price dispersion , business , industrial organization , marketing , cournot competition , mathematics , market economy , ecology , genetics , geometry , accounting , biology , welfare , macroeconomics
The non-rival, non-excludable and infinitely expansible characteristics of digital goods with marginal cost of zero strongly favours the use of bundling strategies. Theoretical tractability requires most models in the current literature to make highly stylized assumptions, rarely observed or anticipated in the real-life situations, motivating inquiry. This paper considers a competition model in which: * the firms, consumers and differentiated products are finite in number; * prices are discrete and not continuous; * consumers may purchase multiple items in a single product category where the degree of complementarity or substitutability of the product categories can also vary across consumers; and * where consumer-specific cost savings are obtained when purchasing multiple items from the same firm. Approximate solutions are obtained through numerical simulation. Firms act in concert to maximise the total firm revenue. Our main finding is that the interplay between maximal firm revenue, consumer surplus and prices is very complex and that high firm revenue and high consumer surplus are not antithetic. It suggests also that consumer surplus and market concentration are not necessarily related. Many market outcomes that are observed may be due to chance rather than design as diverse outcomes can accompany situations that are, to the firms, difficult to distinguish.

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