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Competitive Non-linear Pricing and Bundling

机译:竞争性非线性定价与捆绑

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We examine competitive non-linear pricing in a model in which consumers have heterogeneous and elastic demands and can buy from more than one supplier. It is an equilibrium for firms to offer a menu of efficient two-part tariffs, where the discount for one-stop shopping is such that the elasticity of "demand for two-stop shopping" equals two. Compared with linear pricing, non-linear pricing tends to raise profit but harm consumers when: (i) demand is elastic, (ii) there is heterogeneity in consumer demand, (iii) consumers incur shopping costs when buying from more than one firm, and (iv) a consumer's brand preference for one product is correlated with her brand preference for another product. Non-linear pricing is more likely to lead to welfare gains when (iii) and (iv) hold, but (ii) does not.
机译:我们在一个模型中检验了竞争性非线性定价,在该模型中,消费者具有不同且灵活的需求,可以从多个供应商处购买商品。为企业提供有效的两部分关税菜单是一种平衡,一站式购物的折扣使得“两站式购物的需求”的弹性等于2。与线性定价相比,在以下情况下,非线性定价会增加利润,但会损害消费者:(i)需求具有弹性,(ii)消费者需求存在异质性,(iii)消费者从多家公司购买商品时会产生购物成本, (iv)消费者对一种产品的品牌偏好与其对另一种产品的品牌偏好相关。当(iii)和(iv)持有时,非线性定价更有可能带来福利收益,但(ii)则不然。

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