Cognitive Scaffold

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MENTAL MODEL · M3412

Cross-Subsidization

Cross-Subsidization
BusinessHigh supportIndustrial Organization
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Updated 2026-08-04

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INTRODUCTION

English translation pending.

CORE DEFINITION

Cross-subsidization is the practice of charging one product, segment, or side of a market above cost in order to fund another below cost. It is central to two-sided platforms, where the price structure must balance the willingness to pay and the price sensitivity of different groups, and it appears in the razor-and-blades model, where the durable good is cheap and the consumables are dear. The aim is to maximize total value through the price structure rather than through the margin on any single item.

SCAFFOLDING EFFECT

psychology

Reduce cognitive load

- Pick the sides: decide which group pays and which group gets subsidized. - Design the structure: set prices so the surplus side funds the loss-leader side. - Guard the seams: watch for arbitrage and regulatory attention when the spread widens.

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Anchor fast decisions

When one group's participation raises the value of the platform for the other, subsidizing the hard-to-recruit side increases total demand. The paying side tolerates a higher price because the subsidized side's presence is worth more to them than the extra cost, so total surplus rises even though one side is sold below cost.

MINIMUM ACTION

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Source support: Explicit

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    en.wikipedia.orghttps://en.wikipedia.org/wiki/Cross_subsidizationZH · Explicit
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