Arrow–Debreu exchange market
In theoretical economics, an Arrow–Debreu exchange market is a special case of the Arrow–Debreu model in which there is no production - there is only an exchange of already-existing goods. An Arrow–Debreu exchange market has the following ingredients: A set of m {\displaystyle m} divisible products.
Source: Wikipedia — Arrow–Debreu exchange market (CC BY-SA 4.0)