“Interventionismus” is a single-author theoretical essay in political economy, published as an academic article and arranged in eight sections. Its historical premise is the postwar retreat from both laissez-faire and immediate socialist expropriation: after Bolshevik Russia’s NEP, Mises sees the practical policy of the age as a regulated private-property order. The thesis is that this “third” system is not a durable synthesis. It keeps private property formally, yet replaces entrepreneurial calculation at decisive points with commands; such commands frustrate their own ends and must either be withdrawn or extended toward socialism.
Der Interventionismus will das Sondereigentum an den Produktionsmitteln beibehalten, dabei jedoch das Handeln der Eigentümer der Produktionsmittel durch obrigkeitliche Gebote, vor allem aber durch obrigkeitliche Verbote, regulieren.
English translation: Interventionism seeks to retain private property in the means of production, while regulating the conduct of the owners of the means of production through governmental commands and, above all, through governmental prohibitions.
Mises’s decisive conceptual move is to narrow the object. State protection of property is not intervention; nationalization is not intervention; nor are public purchases, subsidies, or services conducted through the market. Intervention is the isolated command that leaves private ownership in place while ordering a different use of productive factors. From this definition he distinguishes productive interventions, which directly restrict uses of land, labor, and capital, from price interventions, which command prices or wages different from those the market would form. Tariffs, labor limits, and privileges for less efficient firms may accomplish an immediate administrative object, but only by excluding more productive alternatives. The state can prohibit uses; it cannot create the wealth lost by prohibition.
Sie kann nicht reicher, aber sie kann ärmer machen.
English translation: It cannot make [people] richer, but it can make them poorer.
The analytical center is the discussion of price controls. A maximum price below the market price increases demand while discouraging supply; if the authority wants the good still to appear, it must add forced sale, rationing, controls on inputs and wages, and eventually compulsory production. The “isolated” measure therefore generates a sequence. Mises’s famous alternative is not a slogan added from outside but the conclusion of this chain analysis:
Entweder Kapitalismus oder Sozialismus; ein Mittelding gibt es nicht.
English translation: Either capitalism or socialism; there is no middle way.
The wage example extends the same logic. Minimum wages, whether imposed by statute or by unions whose coercion is tolerated by the state, raise costs, prices, and unemployment; unemployment relief then blocks wage adjustment and consumes capital. The examples of tariffs, British coal, Austrian exports, and migration barriers show how national labor policy collides with the international division of labor.
Die Arbeitslosigkeit – in der unbehinderten kapitalistischen Gesellschaftsordnung eine Friktionserscheinung, die immer wieder verschwindet – wird im Interventionismus zur ständigen Einrichtung.
English translation: Unemployment—in the unhampered capitalist social order a frictional phenomenon that keeps disappearing—becomes under interventionism a permanent institution.
Section V turns the economic argument into a political sociology of regulation. Since strict obedience to interventionist rules would halt exchange, evasion and corruption become functional supports of the system. Public opinion blames insufficient enforcement and immoral business conduct, whereas Mises argues that circumvention often keeps goods moving. The postwar depression is thus reinterpreted: not as the breakdown of capitalism, but as the accumulated effect of policies that prevent price, wage, and capital adjustment.
Die große Krise, unter der die Weltwirtschaft seit der Beendigung des Krieges leidet, wird von Etatisten und Sozialisten als Krise des Kapitalismus bezeichnet. In Wahrheit aber ist es die Krise des Interventionismus.
English translation: The great crisis from which the world economy has been suffering since the end of the war is described by statists and socialists as a crisis of capitalism. In truth, however, it is the crisis of interventionism.
The final sections defend the epistemic basis of this claim. Against the historical school, institutionalism, and pragmatic “social control,” Mises insists that repeated legislation proves only that measures were enacted, not that they worked. Economics, as catallactics, does not pronounce ultimate moral ends; it asks whether chosen means can attain chosen ends. His discussions of J. M. Clark and Richard Strigl are therefore strategic: Clark’s defense of regulation concedes that small interventions have small effects and larger ones require further controls, while Strigl’s wage theory confirms that pay cannot be raised above productivity without displacement. The essay’s lasting relevance lies in this systematic critique of the regulatory middle way: interventionism is not merely inefficient policy, but a logically unstable order lacking an economic principle distinct from capitalism or socialism.
Von der Nationalökonomie führt kein Weg zum Interventionismus. Alle Erfolge des Interventionismus in der praktischen Politik waren »Siege über die Nationalökonomie«.
English translation: No road leads from economics to interventionism. All the successes of interventionism in practical politics have been "victories over economics."
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