# Market Size Specialisation Threshold

## Definition

The specific market size required to support full-time specialisation in a particular trade or craft. Market size specialisation thresholds vary by trade complexity and determine which economic activities can be pursued in different locations.

## Source Chapter

Book I, Chapter 3

## Context

Smith provides examples of market size specialisation thresholds: a village is too small for a porter, a market-town is barely sufficient, while only great towns provide adequate demand for full-time specialisation in various trades.

## Economic Domain

Production

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