Schumpeter, “Das Sozialprodukt und die Rechenpfennige” — Summary

Schumpeter’s 1917/18 essay is a theoretical intervention in wartime monetary controversy. Against the view that the war had made inherited economics obsolete, he treats the currency crisis as an intensified version of recurrent problems. The point is not to defend an old school intact, but to isolate what metallists, nominalists, quantity theorists, Knappians, and Bendixen had each seen correctly.

Den gemeinsamen Boden zu beleuchten und darüber hinaus im einzelnen vorwärts zu kommen, ist das Ziel der folgenden Bemerkungen, die der Kürze halber nicht systematisch ausgebaut, sondern nur lose zu einem Ganzen gefügt sind.

English translation: To illuminate the common ground and beyond that to advance on particular points is the aim of the following remarks, which, for the sake of brevity, are not systematically developed but only loosely joined into a whole.

His starting point is the “traffic economy” of private money income. The social product is defined not as all produced things, nor as capital goods plus consumer goods, but as the current flow of consumable goods and services. Production and distribution are therefore two sides of one process: contributors receive money incomes that entitle them to shares in this consumable product.

Das Sozialprodukt besteht nur aus Genußgütern.

English translation: The social product consists solely of consumption goods.

Money is introduced as a device of reckoning and assignment. It divides the real circuit into a market for productive services and a market for consumption goods, but it does not alter the underlying fact that productive contribution is exchanged for consumption. Hence Schumpeter’s “Anweisung” conception: money is a claim-ticket on the social product. It normally certifies a productive contribution, yet its content is not guaranteed by metal, law, or the issuer.

Die besondere Art von »Anweisung«, die man Geld nennt, hat das Eigentümliche, daß niemand für den Wareninhalt derselben garantiert.

English translation: The peculiar kind of "claim" which is called money has the distinctive feature that no one guarantees its commodity content.

This position lets Schumpeter criticize both crude metallism and crude nominalism. Gold may discipline issue and sustain confidence, but it is not the essence of money; legal tender may secure acceptance, but it cannot determine the real commodity-content of the monetary unit. Money has value because it has purchasing power, and that purchasing power is ultimately an expression of the goods obtainable with it.

The middle of the essay reconstructs quantity theory. Schumpeter broadens “money” to include whatever actually performs monetary functions: coin, notes, deposits, clearing balances, circulating claims, and even commodities temporarily used as means of payment. He separates total money from circulating money, hoards, reserves, and capital-market circulation. Velocity is not mere physical turnover, but the effectiveness with which money units enter the formation and expenditure of income.

From this he derives the central identity: the sum of money incomes equals circulating money multiplied by its efficiency, and also equals the price-sum of the social product. This is not offered as a complete causal theory; it is the accounting frame within which causal theories must be placed. If money and its efficiency are unchanged, commodity changes cannot by themselves alter the aggregate product-sum. If monetary circulation changes, the income and price sum must change, though the distribution of effects depends on institutions and timing.

Schumpeter then applies this framework to paper money, taxation, loans, and bank credit. All are ways of reallocating command over goods, but not all work alike. Paper money creates additional claims and compresses existing real incomes through price changes. Public loans shift purchasing power from lenders to the state. Taxes directly transfer command. Bank credit is more fundamental, because it can create purchasing power before the new goods it finances exist.

In der Kreation solchen Geldes liegt das Wesen des modernen Kredits.

English translation: In the creation of such money lies the essence of modern credit.

This analysis anticipates Schumpeter’s later theory of capitalist development. Productive credit gives entrepreneurs command over existing means of production, raises their prices, and forces a kind of saving by reducing others’ real consumption. Credit creation is therefore not merely a veil over prior saving; it is a mechanism by which capitalism reallocates resources toward innovation. The same mechanism, however, also explains inflationary pressure, booms, crises, and the need for institutional restraints such as convertibility or central-bank control.

The essay closes by proposing income statistics as a way to distinguish monetary from commodity causes of price-level movement. Its lasting importance lies in its synthesis: it preserves the analytical core of quantity theory while rejecting metallic fetishism, legal nominalism, and the idea that banks only lend preexisting savings. Money is neither a commodity substance nor a mere state name, but a socially organized claim on the current product.