In Albion Online there are no global marketplaces. Every city has its own Marketplace and its own particular supply and demand issues with gear and more. This allows opportunistic traders to make Silver by buying weapons, armor, or resources in one city and then transporting these to another city to make a profit.
As a part of the distinct local economies, each city has their own special crafting bonus for various kinds of resources. The cities are also located in different biomes, with the exception of Caerleon. All of this helps ensure that each city is further unique in economic matters.