"They, economics and evolution, are both examples of a larger process, which has been at work in this part of the universe for a very long time. This is the process of the development of structures of increasing complexity and improbability. The evolutionary process always operates through mutation and selection and has involved some distinction between the genotype which mutates and the phenotype which is selected. The process by which the genotype constructs the phenotype may be described as "organization". Economic development manifesto itself largely in the production of commodities, that is, goods and services. It originates, however, in ideas, plans, and attitudes in the human mind. These are the genotypes in economic development. This whole process indeed can be described as a process in the growth of knowledge. What the economist calls "capital" is nothing more than human knowledge imposed on the material world. Knowledge and the growth of knowledge, therefore, is the essential key to economic development. Investment, financial systems and economic organizations and institutions are in a sense only the machinery by which a knowledge process is created and expressed."