摘要 : In the presence of a non-constant marginal cost and demand uncertainty, we show that an output increase is no longer a necessary condition for welfare to increase following the introduction of third-degree price discrimination. We... 展开 In the presence of a non-constant marginal cost and demand uncertainty, we show that an output increase is no longer a necessary condition for welfare to increase following the introduction of third-degree price discrimination. We thus highlight the existence of an effect that might offset the well known output and misallocation effects of price discrimination. We propose a specific example where this is indeed the case. 收起