Emil Lederer, Aufriss der ökonomischen Theorie (1931)

Emil Lederer’s Aufriss der ökonomischen Theorie is a systematic introduction to economic theory, presented in a revised 1931 edition of the work originally published as Grundzüge der ökonomischen Theorie: eine Einführung in 1922. Its conceptual movement runs from the historical scope of economic explanation through exchange, valuation, and production to the problems of capitalist dynamics, interest, profit, and monopoly pricing. The governing question is how economic categories explain the relations of a particular social order. Lederer’s treatment connects individual valuation with the organization of production while resisting explanations that turn the physical productivity of things into a sufficient account of monetary returns.

The methodological starting point limits the reach of economic theory. Its object is neither an abstract human propensity detached from institutions nor an economic mechanism identical across all societies:

Sie kann vielmehr immer nur das Bewegungsgesetz des wirtschaftlichen Handelns innerhalb einer historisch abgegrenzten, ihrem ökonomischen Charakter nach zu bestimmenden Gesellschaftsform enthüllen.

English translation: Rather, it can only ever reveal the law of motion of economic action within a historically delimited form of society whose economic character must be determined.

“Law of motion” here joins systematic explanation to historical specification. Theory remains concerned with regularities, but it must establish the social conditions within which those regularities operate. This gives the subsequent analysis of capitalist categories its methodological bearing: an explanation of exchange, interest, or profit cannot simply assume that the arrangements producing them are universal. Historical delimitation is therefore part of theoretical precision, not an alternative to it.

Lederer’s account of exchange similarly moves beyond the image of individuals conveniently swapping already available goods. Indirect exchange is a condition of a productive order in which people specialize and depend on products they do not themselves make:

Nicht um den Tausch zu erleichtern, sondern um arbeitsteilige Produktion überhaupt erst zu ermöglichen, ist daher indirekter Tausch notwendig.

English translation: Indirect exchange is therefore necessary not to facilitate exchange, but to make production based on a division of labour possible in the first place.

The distinction changes the explanatory priority. Exchange does not merely assist production from outside; its organization makes a developed division of labour possible. The passage connects the seemingly elementary problem of exchange with the coordination of an interdependent economy. It also prepares the transition from isolated acts of choice to production and distribution, where individual decisions acquire their significance through their relations to other decisions.

In developing marginal-utility theory, Lederer treats valuation as comparative rather than as the discovery of an intrinsic property residing in a good:

Wertungen werden eben nur in der Vergleichung der Wichtigkeitsgrade einzelner Güter existent.

English translation: Valuations come into existence only through comparison of the degrees of importance of individual goods.

The emphasis falls on the act of comparing. A good’s economic importance is articulated against other goods and possible uses, not established independently of alternatives. This supplies the conceptual bridge from valuation to the allocation of productive resources. The movement from isolated exchange to production and imputation asks how the importance assigned to products bears on the means used to produce them.

That movement also reverses a familiar explanation of value through costs:

Denn die Kosten sind nicht Ursache des Wertes, sondern der Wert des Produkts entscheidet jeweils darüber, welche Kosten vernünftiger Weise aufgewendet werden können.

English translation: For costs are not the cause of value; rather, the value of the product determines in each case which costs can reasonably be incurred.

This is an argument about the direction of economic explanation, not a claim that production requires no expenditure. Costs cannot justify themselves simply because they have been incurred. The anticipated value of the product sets the bounds of economically reasonable expenditure. Read alongside the account of comparative valuation, the passage makes production a problem of choosing among uses of resources rather than mechanically adding up inputs. It places the valuation of productive means within their relation to valued outputs.

Yet the explanation of productive contributions does not, by itself, explain the income categories of capitalism. Lederer states the distinction sharply in discussing machinery and interest:

Die Maschine kann eben keinen Zins produzieren, sie produziert nur Produkte.

English translation: A machine cannot produce interest; it produces only products.

Physical output and an economic return are different objects of explanation. A machine’s contribution to production does not establish why its use should yield interest, or how that return is determined. The force of the sentence lies in its refusal to let a technical fact settle a question about economic relations. Together with the opening methodological claim, it directs attention from the material apparatus of production to the social form through which products become revenues.

The later treatment extends marginal-utility analysis toward capitalist dynamics, interest, and monopoly pricing. In discussing profit, Lederer identifies an explanatory approach that locates it in market relations, especially those governing labour:

Der Profit ist nach dieser Anschauung aus dem Markt, vornehmlich dem Arbeitsmarkt und seiner Mechanik zu erklären.

English translation: According to this view, profit is to be explained by the market, principally by the labour market and its mechanism.

The qualification “according to this view” matters: the passage presents a theoretical account, rather than furnishing an unqualified definition of profit. Nevertheless, it clarifies a central problem of the book. Explaining capitalist income requires examining market mechanisms and their connection to production, not merely pointing to the usefulness of capital goods. The work’s enduring relevance lies in these distinctions: historical scope versus universal abstraction, comparative valuation versus intrinsic worth, production costs versus the value guiding expenditure, and physical productivity versus monetary income. Lederer makes economic theory intelligible by exposing the explanatory steps that apparently self-evident categories can conceal.