In this paper, we show that in order for third-degree price discrimination to increase total output, the demands of the … necessary conditions and sufficient conditions for third-degree price discrimination to increase total output. …

This paper presents simple conditions for monopoly third-degree price discrimination to have negative or positive …

monopoly because each duopolist has a smaller market size than the monopolist. But social welfare in the monopoly is lower than …

all platforms or a “pure” monopoly with just one platform. Literature has not generally discussed, which benchmark is the …

welfare. Our results reinforce the traditional wisdom that an increase in output is a necessary condition for price … discrimination to improve social welfare. But we also find that the positive output effect does not need to be as large as previously … supposed since, under some conditions, the monopoly will move to a socially preferred technology only if third-degree price …

capacities can be larger or smaller with a duopoly than with a monopoly. If the two firms co-ordinate on a pareto dominant …