Mutualism is based on a labor theory of value which holds that when labour or its product is sold, in exchange, it ought to receive goods or services embodying " the amount of labor necessary to produce an article of exactly similar and equal utility ".

Mutualism is based on a labor theory of value which holds that when labor or its product is sold, in exchange, it ought to receive goods or services embodying " the amount of labor necessary to produce an article of exactly similar and equal utility ".

Mutualism is based on a labor theory of value which holds that when labor or its product is sold, in exchange, it ought to receive goods or services embodying " the amount of labor necessary to produce an article of exactly similar and equal utility ".

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