Fungibility Fungibility In economics, fungibility is the property of a good or a commodity whose individual units are essentially interchangeable. For example, since one kilogram of pure gold is equivalent to any other kilogram of pure gold, whether in the form of coins, ingots, or in other states, gold is fungible. Other fungible commodities include sweet crude oil, company shares, bonds, other precious metals, and currencies. Fungibility refers only to the equivalence of each unit of a commodity with other units of the same commodity and not to the exchange of one commodity for another, which is barter. The word "fungibility"
Commodity form theory buyers and sellers. Contract is both logically the central legal premise on which all other aspects of law are based, and also the highest form of expression of the commodity owning subject. This is because it is the relations of contract that are crucial for commodity production society since the contract is the necessary legal expression of commodity owners' ability to use their commodities in the market. For Pashukanis, all other forms of legal relations in capitalism flow from this. The commodity form of exchange historically precedes the legal system which emerges from it. But it is not merely that