---
entity_slug: land_carriage
evaluator: null
evaluated_at: '2026-02-23T05:39:56.715339'
overall_score: 4.4
scores:
- name: definition_precision
  value: 4.0
  max_value: 5.0
  rationale: The definition clearly distinguishes land-carriage from water-carriage
    and specifies the key components (waggons, carts, pack animals) and economic characteristics
    (higher costs, limited market extent). It avoids circularity and captures a distinct
    transportation mode with specific economic implications.
- name: source_grounding
  value: 5.0
  max_value: 5.0
  rationale: This entity is directly grounded in Smith's text from Book I, Chapter
    3, where he explicitly discusses land-carriage and provides the specific calculations
    mentioned (hundred men for three weeks, four hundred horses for two hundred tons).
    The economic analysis of its limitations on market extent is central to Smith's
    argument.
- name: domain_placement
  value: 5.0
  max_value: 5.0
  rationale: The "Exchange" domain placement is correct, as land-carriage is fundamentally
    about the mechanisms and costs of moving goods between markets. Smith uses it
    specifically to explain how transportation costs affect the extent of markets
    and the feasibility of trade.
- name: vsm_relevance
  value: 3.0
  max_value: 5.0
  rationale: Land-carriage maps most naturally to S1 (primary operations) as a basic
    operational capability for moving goods, but it also has S4 implications regarding
    environmental adaptation to geographic constraints. However, it's primarily an
    operational tool rather than a systemic function.
- name: explanatory_value
  value: 5.0
  max_value: 5.0
  rationale: This entity provides significant explanatory power by illuminating the
    structural mechanism through which transportation costs limit market extent and
    division of labour. It's not merely descriptive but reveals a fundamental economic
    constraint that shapes market development and specialization possibilities.
---

# Evaluation: Land Carriage

## definition_precision — 4.0 / 5.0

The definition clearly distinguishes land-carriage from water-carriage and specifies the key components (waggons, carts, pack animals) and economic characteristics (higher costs, limited market extent). It avoids circularity and captures a distinct transportation mode with specific economic implications.

## source_grounding — 5.0 / 5.0

This entity is directly grounded in Smith's text from Book I, Chapter 3, where he explicitly discusses land-carriage and provides the specific calculations mentioned (hundred men for three weeks, four hundred horses for two hundred tons). The economic analysis of its limitations on market extent is central to Smith's argument.

## domain_placement — 5.0 / 5.0

The "Exchange" domain placement is correct, as land-carriage is fundamentally about the mechanisms and costs of moving goods between markets. Smith uses it specifically to explain how transportation costs affect the extent of markets and the feasibility of trade.

## vsm_relevance — 3.0 / 5.0

Land-carriage maps most naturally to S1 (primary operations) as a basic operational capability for moving goods, but it also has S4 implications regarding environmental adaptation to geographic constraints. However, it's primarily an operational tool rather than a systemic function.

## explanatory_value — 5.0 / 5.0

This entity provides significant explanatory power by illuminating the structural mechanism through which transportation costs limit market extent and division of labour. It's not merely descriptive but reveals a fundamental economic constraint that shapes market development and specialization possibilities.