1,549 works, 150 years of economic thought. Each one summarized and searchable, with cited passages inside.
For a century, Mill's exalted tributes to Harriet Taylor were dismissed as the delusion of a besotted logician. Assembling letters, family testimony, and a scrupulous chronology, Hayek sets out to replace legend with evidence, tracing the friendship from Harriet's radical circle around W. J. Fox through scandal, chronic illness, concealed journeys to Italy, the 1851 marriage, and her death at Avignon in 1858. The documents present the bond as moral and intellectual discipline rather than romance: Harriet emerges as collaborator on the Principles of Political Economy and on the essays toward On Liberty, a judgment that reshaped Mill's rationalism. Hayek's method is his argument, letting dates and manuscripts do the work where gossip once ruled. What begins as archival restraint ends in bereavement, the edition closing on the widower's grief.
The spring of my life is broken.
In 1906 Schumpeter defended mathematical economics; in 1949 he pleaded for historical analysis — a reversal only in appearance, Machlup argues, for the man never lost the one nor lacked the other. What held across four decades was a disciplined pluralism: theory, statistics, and history each earn their keep on the problems they suit, and the sectarian spirit of the Methodenstreit, which made each camp treat its method as the only scientific one, was the real enemy. Machlup follows Schumpeter from bare functional relations toward an eventual acceptance of causal language, and shows how the split between statics and dynamics turns methodological choice into substantive economics: equilibrium explains the circular flow, while the entrepreneur's discontinuous innovation drives development. Methodological individualism, he stresses, is a rule for building explanations, not a creed of laissez-faire.
It follows that the claim usually made for statistical induction and verification must be qualified. Material exposed to so many disturbances as ours is, does not fulfill the logical requirements of the process of induction.
Human Action supplies the occasion, but the deeper subject is the autonomy of the social sciences against positivism. Reading Mises's treatise, Lachmann fixes on its methodological core: the distinction between praxeology, the general science of human action, and catallactics, the analysis of market exchange, and the claim that categories such as means, ends, choice, and time are presupposed rather than generalized from data. He presses the argument toward process—profit and loss as signals that sort successful anticipations from failed ones—and toward a capital theory that abandons Böhm-Bawerk's average period of production for heterogeneous, time-structured assets. That perspective grounds his reading of socialist calculation, which fails for want of an entrepreneurial capital market, and of the trade cycle, where credit expansion breeds malinvestment rather than mere excess.
There is therefore such a thing as a Logic of Action closely linked to the logic of our thought.
Marx never defined the word on which his whole system turns. Taking that omission as his lever, Mises argues that 'class' is not found in nature but constructed by the mind's own sorting into categories, and that proletarian consciousness cannot follow necessarily from proletarian position when workers, unions, and rival socialist factions disagree about their own interests. He presses the contradiction between the 'iron law of wages' and the doctrine of progressive immiseration, answers both with capitalism as mass production under consumer sovereignty, and traces Marx's 'material productive forces' back to the human mind that made the tools. The stakes turn political: once dissent is branded class betrayal rather than honest error, purges and factional bloodletting follow inexorably. Delivered as a 1952 lecture and first printed in 2006, the essay fuses economic critique with epistemology and a warning about freedom.
Purges are the necessary consequences of the philosophical foundation of Marxian socialism.
Around 1700 the world's economies resembled one another far more than they would a century later; by the nineteenth century Western Europe had opened a vast productive gap over much of Asia, Africa, and Latin America. That gap, Mises contends in this lecture, sprang not from secret inventions or hoarded technique—engineers, manuals, and machines were available—but from institutions and expectations that made saving, accumulation, and long-term investment worthwhile. Nineteenth-century capital export, distinct from older colonial extraction, financed railways, mines, and ports where opportunity existed but local capital was scarce, rewarding investor and recipient alike. Against Rosa Luxemburg's theory of imperialism he insists capital flowed to serve consumers, not to conquer. His sharpest warning falls on confiscation, debt repudiation, and exchange control, which empty ownership of value without abolishing title—and, he cautions, may once more make war over raw materials thinkable.
Capitalism is not things; it is a mentality.
Routinely misread as an excessive worker demand, profit-sharing in fact more often originates with employers, and Bayer refuses to judge it by tidy lists of pros and cons. Ranging across American, British, French, German, Austrian, and Soviet practice, he tests the Scanlon Plan, the Rucker Plan, the Duisburger Kupferhütte's division of results, and the statutory worker shares of Chile and Peru, then submits them all to economic theory. His sharpest distinction separates genuine entrepreneurial profit from monopoly rent: many schemes, he warns, merely redistribute rent, burdening society twice through restricted output and lost taxes. Real profit-sharing, tied to a base wage at least equal to the industry average, can smooth income during upswings and lift macroeconomic productivity, but only where trust, strong unions, and a policy of economic coordination already prevail.
So führen uns die Probleme der Gewinnbeteiligung hinein in die Gesamtzusammenhänge der Wirtschaft.
English translation: “Thus the problems of profit-sharing lead us into the overall interconnections of the economy.”
What Marx called the great catastrophe of the Industrial Revolution was, on Mises's telling, a rescue. Pre-capitalist England—hedged by guild restriction, monopoly, and poor laws—could not absorb its growing landless poor; entrepreneurs with little capital organized the destitute to make cheap goods for the masses, and survival, population growth, and rising living standards followed. Around this historical revision Mises builds a defense of liberal individualism against theories that dissolve persons into nation, class, or 'material productive forces.' He presses Marx on his own contradictions—why condemn capitalists for performing a historically necessary role?—and traces socialist planning back to Plato's fantasy of rule by philosophical administrators. Because planning converts individual initiative into command rather than merely swapping capitalists for officials, it changes the whole character of economic life. Delivered as a 1952 lecture, the transcript first reached print in 2006.
The socialist state is necessarily a police state.
Every person acts on a philosophy, whether he can name it or not—and the reigning philosophy of the age, Mises contends in this 1952 lecture, is essentially Marxist, even among those who loudly reject Marx. The argument dismantles materialism in its several guises: the mechanistic view that treats man as a machine (La Mettrie, the newborn likened to a Ford car), the physiological reduction of thought to secretion, and the historical materialism that makes tools the engine of history. Against all of these Mises insists that tools are products of ideas, not their cause, and that Marx's theory of ideology—doctrines as mere expressions of class interest—destroys the notion of truth it depends on. Tracing Marx back to Hegel's teleology, he warns that once socialism is cast as history's destination, dissent is condemned in advance.
A machine doesn't achieve anything, doesn't do anything alone—it is always men or a number of men who achieve something by means of the machine.
Santayana's late Dominations and Powers arrives not as a policy book but as a philosophical anthropology of how society and government grow from human beings living among powers and necessities—and Schütz reads it as a tractatus ethico-politicus written from theoretical detachment rather than partisan advocacy. The governing distinction between dominations and powers is moral, not physical: all dominations wield power, but only some powers harden into command. Grounding Santayana's precise naturalism in animal faith and the Lebenswelt, Schütz follows the triad of generative, militant, and rational orders—family and custom, the will to impose through party, propaganda, commerce, and bureaucracy, and reason's fragile adaptation to circumstance. He shares the diagnosis of technological and bureaucratic domination, yet objects to the metaphysical priority granted the generative order and to the treatment of arts unrelated to nourishment as parasitic.
Herrschaft ist ein besonderes Organ der Gesellschaft, sie hat ihr eigenes Leben, sie ist immer böse und manchmal gut, wie der Krieg.
English translation: “Government is a special organ of society; it has its own life, it is always evil and sometimes good, like war.”
When the prestige of physics and biology tempts social thinkers to borrow their methods wholesale, the result, Hayek argues, is not science but scientism: a prejudiced approach that decides how to study society before examining it. This volume gathers his studies on that abuse of reason, first defending a subjectivist, compositive method in which institutions such as money, law, and markets exist only as the beliefs and purposes of those who use them, and collective terms like 'society' name patterns of individual conduct rather than agents. It then narrates the counter-revolution historically, from the École Polytechnique and Saint-Simon's engineers through Comtean sociology and its convergence with Hegel, tracing how impatience with evolved orders turned science into a model for social command. The through-line is epistemic: planning fails because dispersed knowledge exceeds any single directing mind.
So far as human actions are concerned the things are what the acting people think they are.
Critics had turned the Pigou effect into a crude prescription for curing depressions by driving wages and prices down; Haberler writes to rescue it from that caricature. Properly understood, he argues, it is not policy advice at all but a theorem about the internal consistency of the static Keynesian model. In a world of flexible competitive wages, the Keynes effect normally restores full employment through falling interest rates; the Pigou effect closes the extreme remaining cases — a liquidity trap, interest-insensitive investment — by letting rising real balances lift expenditure. This dismantles the one strict basis for a static competitive underemployment equilibrium and undercuts secular stagnation, even as Haberler concedes to Hansen and Metzler that real depressions demand monetary and fiscal action, not patient deflation.
For these two reasons it would be foolish to rely entirely on price and wage deflation to cure a depression through the Pigou effect.
Ceremonial rather than argumentative, this brief closing note to a Review of Politics exchange isolates the one disagreement with Hannah Arendt that Voegelin judges decisive. The quarrel is not over the word totalitarianism but over method: how phenomena of the class 'political movements' are to be delimited and defined as theoretical units. Arendt draws her boundaries on the plane of historical fact, ready to accept complexes like totalitarianism as ultimate essential unities; Voegelin objects that the institutional and ideological self-formation of movements is not a theoretical formation. Inquiry starts from the phenomena, but must not take at face value the unities cast up in the stream of history. Once philosophical anthropology supplies the principles of interpretation, apparent enemies may share a hidden structure, and theory must refuse to let history's own groupings become its final ontology.
Es kann dann passieren, dass politische Bewegungen, die auf der Bühne der Geschichte einander bitter bekämpfen, sich auf der Wesensebene als nahe verwandt erweisen.
English translation: “It may then turn out that political movements which bitterly combat one another on the stage of history prove, on the level of essence, to be closely related.”