Cognitive Scaffold

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MENTAL MODEL · M4657

Lock-in Effect

Lock-in Effect
BusinessmediumEconomics
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Updated 2026-08-08

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INTRODUCTION

English translation pending.

CORE DEFINITION

Lock-in describes how high switching costs, including economic, learning, data, and network costs, keep a user bound to an incumbent product or standard even when superior alternatives are available. The idea sits at the center of path-dependence theory and of Brian Arthur's work on increasing returns, which showed that early advantages can entrench an inferior technology. Lock-in can be engineered deliberately through proprietary formats, long contracts, and ecosystem investments, or arise accidentally from accumulated habits and complementary assets. Its strength is measured by the total cost of exit, not by customer satisfaction.

SCAFFOLDING EFFECT

psychology

Reduce cognitive load

- Diagnose your own captivity: list what you would lose in money, data, and workflow before switching. - Design retention: raise legitimate switching costs through integrations and accumulated value. - Spot fragile markets: check whether incumbents survive on lock-in rather than quality, which signals disruption potential.

anchor

Anchor fast decisions

Once a user invests in a format, learns a tool, or joins a network, every alternative must overcome the accumulated cost of abandoning that investment. Because these costs rise with usage, the incumbent's advantage compounds without any improvement in quality. Vendors can accelerate the loop by making data non-portable or bundling complementary products, so rational users stay put even when they know a better option exists.

MINIMUM ACTION

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Source support: Explicit

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    en.wikipedia.orghttps://en.wikipedia.org/wiki/Vendor_lock-inZH · Explicit
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