Marx has a method for the evaluation of patterns of interaction between finance and innovation. Two starting points of this method are the simultaneity of cause and effect and the identification of reciprocal effects between the monetary-financial dimension and the industrial-innovative dimension. This paper investigates this method firstly defining a dynamic concept of money. The connections between the monetary-financial dimension and the industrial-innovative dimension are examined through their historical and theoretical elements. Finally, the most important connections of this complex interaction are presented.