What is a money fund?

Money appears with the constant changes in the form of commodity exchange value. At the end of primitive society, when people's products were surplus, they had to be exchanged between different tribes. For example, one tribe had surplus sheep and had to exchange it with others. By chance, a person was holding a rabbit to exchange, and two people met together, so one sheep was exchanged for five rabbits. It can be seen here that the value of a sheep is represented by five rabbits, and this sheep is now represented by five rabbits, which is an initial form of value expression. With the social progress and the emergence of a large number of surplus products, this kind of transaction has become more and more frequent. At last, people recognized silver and gold as materials to measure the value of all commodities, so money came into being.

It can be seen that money itself is a commodity, but this commodity has a special function. It can be exchanged with any other commodity and acts as a universal equivalent.