Mutual credit

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Mutual credit is a type of alternative currency in which the currency used in a transaction can be created at the time of the transaction. Local exchange trading systems (LETS) are mutual credit systems. Typically this involves keeping track of each individual's credit or debit balance. Although the effect is like a loan, no interest is charged, and since mutual credit allows for trading and cancelling balances with others, debts can be paid off indirectly. The "IOU" is a common example of this.

Advantages and disadvantages

One economic advantage of mutual credit is that the currency supply is self-regulating—the money supply expands and contracts as needed, without any managing authority. The availability of interest-free loans is a great advantage to members of the system.

One downside of mutual credit, as with any form of credit, especially if it is run with unsecured debt, is the possibility of people exploiting the system by running up a large negative balance and not repaying it. This problem can be addressed by caps on negative balance that can be raised as balances are paid off. The problem can also be addressed by a using a well-worded membership agreement with clauses that specify members remain fully liable for all negative balances and reasonable time limits for calling in stagnant negative balances. Another solution is limiting the system to a small, close-knit community based on trust, where the community holds people accountable. Perhaps for this reason,[citation needed] most mutual credit systems are small, under 2000 members.[citation needed].

Examples and types of systems

The local exchange trading system (LETS), the Community Exchange System, the Cincinnati Time Store and, (in the United Kingdom), the Echo business trading network are examples of mutual credit systems. A number of different mutual credit systems have been proposed. Mutual credit can be combined with a number of features of alternative currency systems. For example, it is usually (but does not need to be) a local currency, and it can have a demurrage fee for the holding of balances.

See also


  • T.H. Greco. "Money: understanding and creating alternatives to legal tender". White River Junction, Vt: Chelsea Green Publishing, 2001. E-book excerpted version
  • The Money Fix - documentary