: (1) distribution expenses are large - they amount to over half of labor costs; (2) plants in the largest decile …, distribution costs as a share of sales declined by one third. We develop a model of heterogeneous manufacturing firms that rely on … share. In combination with the model, these trends suggest largescale decreases in both variable and fixed costs of …

: (1) distribution expenses are large – they amount to over half of labor costs; (2) plants in the largest decile …, distribution costs as a share of sales declined by one third. We develop a model of heterogeneous manufacturing firms that rely on … share. In combination with the model, these trends suggest largescale decreases in both variable and fixed costs of …