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We present a model of imperfect price competition where not all firms can sell to all consumers. A network structure … network, which corresponds to perfect competition, and decreases monotonically as the network becomes less connected until … competition when consumerscan either buy from a single firm or from all firms. -- Network markets ; price competition ; oligopoly …
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We develop a model of friendship formation that sheds light on segregation patterns observed in social and economic networks. Individuals come in different types and have type-dependent benefits from friendships; we examine the properties of a steady-state equilibrium of a matching process of...
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