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Commerce (Coin (Civ4).png) is one of the three basic economic inputs found in Civilization IV. It is produced by trade routes, and by tiles when they are worked by population in a city. See the Production article for more info.

Commerce should not be mistaken for gold (Coins (Civ4).png). Gold is produced from commerce (if slider settings indicate that), and gold is also produced by certain buildings. Commerce is produced only by tiles, trade routes, and a single building: the Palace.

Terrain[]

Commerce is produced inherently by the following types of terrain:

  • Rivers (in adjacent tiles)
  • All water tiles (ocean, lake, coast), except if they have ice
  • Oases

Tile Improvements[]

Commerce is generated by these tile improvements:

Resources[]

Many resources generate commerce. Some resources add commerce to their tile even before they are improved:

Many resources add commerce only when they've been improved with the particular improvement which unlocks the resource:

Civilization IV [edit]
WarlordsBeyond the SwordColonization

Buildings (Unique) • CivicsCivilizationsErasLeaders (Traits) • ReligionsResourcesSoundtrackTechnologiesTerrains (Tile Improvement) • Units (UniqueClassPromotions) • Wonders

Coin (Civ4).png CommerceCulture (Civ4).png CultureBread (Civ4).pngFoodEspionage (Civ4).png EspionageHappiness (Civ4).png HappinessHealth (Civ4).png HealthPower (Civ4).png PowerHammer (Civ4).png ProductionBeaker (Civ4).png Science

† Total conversion remake of the game Sid Meier's Colonization using Civilization IV engine
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