Reassessing competition concerns in electronic communications markets
In: Discussion paper 14-101
In: Information and communication technologies
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In: Discussion paper 14-101
In: Information and communication technologies
The economic analysis of the digital economy has been a rapidly developing research area for more than a decade. Through authoritative examination by leading scholars, this handbook takes a closer look at particular industries, business practices, and policy issues associated with the digital industry.
In: Working paper 42
In: Working paper 41
In: Discussion paper No. 469
In: Discussion paper No. 472
In: Discussion paper No. 479
In: Discussion paper No. 471
In: ZEW - Centre for European Economic Research Discussion Paper No. 20-035
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Working paper
In: Journal of economics, Volume 101, Issue 1, p. 97-98
ISSN: 1617-7134
In: The Manchester School, Volume 70, Issue 1, p. 134-149
ISSN: 1467-9957
Consider a price‐setting duopoly with differentiated goods and heterogeneous consumers. When consumer tastes are identical, all firms choose the same variant in equilibrium and prices are equal to marginal costs. For a more concentrated consumer density, firms provide (weakly) closer substitutes and prices are closer to marginal costs of production in certain symmetric markets. That is, firms tend to compete head‐to‐head and price equal to marginal costs is a good approximation when most consumers are more or less the same. In contrast, one firm sells to fringe consumers and maintains its product differentiated from its competitor in certain asymmetric markets. The competitor's price does not converge to marginal costs.