Böhm-Bawerk’s article organizes capital theory around definition, conceptual history, composition, productive function, accumulation, and capitalism. Its central distinction separates capital as a source of private income from capital as a means of production. A further distinction between productive goods and their ownership prevents technical arguments about capital’s necessity from becoming automatic justifications of capitalist institutions.
The conceptual history begins with the term’s monetary meaning:
Capitale = capitalis pars debiti bedeutete zunächst den Hauptstamm einer geliehenen Geldsumme im Gegensatz zu den Zinsen, dann zinstragende Geldsumme überhaupt.
English translation: Capitale = capitalis pars debiti initially meant the principal of a sum of money lent, as opposed to the interest, and then an interest-bearing sum of money in general.
The subsequent extension from money to stocks of goods, formalized by Turgot, made possible a broader theory of capital. Smith’s differentiation of productive capital marked another decisive stage, but the dominance of that concept also obscured capital’s distinct role in private acquisition. Böhm-Bawerk treats the resulting disagreements as substantive differences about the objects and purposes of economic analysis, not simply disputes over terminology.
Private or acquisitive capital consists of produced goods employed to obtain income; productive or social capital comprises produced means of further production. Both exclude natural land and personal labor. Their common orientation distinguishes them from wealth devoted to direct enjoyment:
Gemeinsam ist ferner die Widmung zu irgend einer Art der Gütergewinnung im Gegensatze zu Zwecken des unmittelbaren Lebensgenusses; hierdurch scheidet sich der Begriff des Kapitals von dem des „Genußvermögens“ (stock for immediate consumption).
English translation: Another common feature is their dedication to some kind of acquisition of goods, as opposed to purposes of immediate enjoyment of life; this distinguishes the concept of capital from that of “wealth for enjoyment” (stock for immediate consumption).
The concepts nevertheless have different scopes. Private capital includes rented consumption goods as well as productive equipment, and belongs principally to distribution theory; productive capital belongs to production theory. Applying one name indiscriminately risks explaining income from ownership directly through the usefulness of productive instruments:
Ihre Benennung mit dem gleichen Namen des Kapitals ist die Quelle vieler Verwirrungen geworden.
English translation: Their designation by the same name, capital, has become the source of many confusions.
The distinction between material goods and property rights reinforces this warning. Böhm-Bawerk credits socialist writers with exposing the premature inference from the indispensability of productive capital to the necessity of private capitalist ownership.
His classification makes these distinctions concrete. Productive capital includes materials, tools, buildings, transport infrastructure, inventories, and money serving trade. Private capital additionally includes rented consumption goods and subsistence advanced to workers. Fixed capital survives repeated uses, whereas circulating capital is exhausted or surrendered in a single operation. Classification depends partly on economic position: a machine can be a durable productive instrument for its user but circulating capital for its manufacturer.
Capital’s productive function derives from indirect methods, not from an independent creative power. Nature and human labor are the original productive forces; capital goods are intermediate products through which they operate. Making nets before fishing or tools before cutting wood postpones consumption but permits more abundant output. Further extensions of these productive detours eventually yield diminishing increments.
Time therefore gives capital its distinctive economic role. Workers must be sustained while indirect production proceeds. In a developed economy, the supporting stock need not consist entirely of finished provisions: intermediate goods at successive stages become consumption goods as production advances. Capital coordinates delayed output with continuing subsistence.
Accumulation consequently requires both production and saving. Producing tools does not by itself explain how workers live until finished goods become available; saving does not itself manufacture those tools. Lengthening the average production period requires both the creation of intermediate goods and sufficient restraint of present consumption to bridge the additional delay.
The final discussion separates technically capital-using production from production controlled by capital owners. Unequal access to indispensable stocks gives owners authority over production and its proceeds, while workers receive contractual wages. State enterprises and workers’ producer cooperatives demonstrate the conceptual possibility of other arrangements. Böhm-Bawerk nevertheless distinguishes institutional possibility from practical superiority: he acknowledges criticisms concerning uncoordinated investment, overproduction, and crises, while emphasizing private incentives’ effectiveness in capital formation. The article leaves the best social organization unresolved, making its strongest contribution through the separation of productive technique, distribution, and ownership.
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