Quora: In what situations is a barter economy better than a monetary economy?
Some key dimensions that determine whether money or barter is better are: (i) separability of money transactions from enjoyment of the good or service in question, so that financial transactions don't mess up the creation of value; (ii) credibility/stability of the money being used; (iii) complexity of the economy -- the degree to which workers are specialized and goods are differentiated, making it unlikely that the producer of what you want is a consumer of what you make...
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