3,801 works, 471 books, 3,267 articles, 60 other works, 3 awaiting classification, 150 years of economic thought. Each one summarized and searchable, with cited passages inside.
How can expectations enter a science of action when the future is uncertain and every observable fact admits rival readings? The answer here refuses two easy paths: against Keynes, Morgenstern, and Myrdal, Lachmann denies that expectations are ultimate data like tastes and resources; against Lundberg and Schumpeter, he denies they can be deduced from objective business situations. A price rise may signal reversion or inflation, so meaning arrives only through the actor's interpretation, and economics needs ideal types and historical understanding rather than deterministic law. From this he builds a theory of plan-guided action and tests it on Hicks's elasticity of expectations and on interest-rate formation, concluding that an Austro-Wicksellian crisis requires a particular expectational climate. The essay makes intelligibility, not determinateness, the proper aim of social science.
The Social World consists not of facts but of our interpretations of the facts.
Does the power of bankers mark a new stage of capitalism, or does it arise when industry faces problems its own managers cannot solve? In this 1944 article, Ludwig Lachmann tests the finance-capitalism thesis against contrasting British, German, and American experience. His decisive distinction is between financial influence—lending, underwriting, or holding legal rights—and entrepreneurship: actively planning and carrying out economic change. He argues that financiers sometimes assume this role by reorganising industries or reconstructing failed enterprises, rather than inevitably taking command as capitalism matures. The article offers a concrete way to distinguish control over securities from initiative in production, while showing how investment opportunities can be created through the recombination of existing productive assets.
Investment opportunities are never simply "there"; they are the result of human action, the outcome of a process in which will-power and intensity of effort play a most prominent part.
Can policies that sustain spending also preserve the incentives to produce? In this 1945 review of six Oxford studies on full employment, Ludwig M. Lachmann praises the theoretical contributions of Balogh and Kalecki while testing their policy proposals against profitability, international trade, and political bargaining. His sharpest objection concerns plans to hold prices steady while wages rise: redistributing income may strengthen demand, he argues, yet undermine supply if profits disappear. He also examines the tension between independent national employment policies and an integrated world economy. The review offers a compact encounter with Lachmann’s critical method: appreciation of analytical ingenuity coupled with concrete questions about tax exemptions, producers’ incomes, and the political interests concealed by appeals to “social priorities.”
For in the absence of profit no amount of "effective demand" will call forth effective supply.
Criticism of perfect competition is not yet a programme for economic policy. That distinction drives Ludwig Lachmann’s brief 1945 review of the first volume of Walter Adolf Jöhr’s Theoretische Grundlagen der Wirtschaftspolitik. Jöhr identifies monopoly, frictions, weakened profit motivation and power as obstacles to the theoretical market model; Lachmann asks what would protect economic freedom and competition under those conditions. His objection is precise: rejecting laissez faire leaves the constructive task unresolved. Yet his verdict is not simply dismissive. He welcomes Jöhr’s movement from advocacy of a corporative economy towards appreciation of competitive markets. The review offers a compact example of Lachmann separating recognition of a market’s imperfections from an account of how policy should address them.
Why does one price movement leave expectations unchanged while another forces people to rethink the future? In this article, Ludwig Lachmann distinguishes measuring the responsiveness of expectations from explaining it. Against accounts based on fixed psychological sensitivity or a single expected price, he examines the range of outcomes people consider plausible. A movement near its boundary may encourage expectations of reversal; a movement beyond it may undermine the very assumptions on which a forecast rests. His distinctive claim is that expectations arise through interpretation: people diagnose the forces at work before predicting their effects. The article shows why identical numerical changes can carry different economic meanings—and why a narrow range of expectations can both stabilise a market and make its eventual disruption more abrupt.
The formation of expectations is always incidental to the diagnosis of the situation in which we find ourselves; no prognosis without diagnosis.
Dispersed ownership may explain why salaried managers gain power, but it does not identify who actually exercises entrepreneurial judgement. This distinction anchors Ludwig Lachmann’s 1946 review of Robert Aaron Gordon’s Business Leadership in the Large Corporation. Welcoming Gordon’s evidence from American corporations, Lachmann presses him on the boundaries between initiating decisions, approving them, and coordinating an organisation. The return of commanding individuals during corporate crises complicates any simple account of entrepreneurship dissolving into managerial routines. His praise also stops short of endorsing Gordon’s proposed governmental approval of directors: a pointed reference to Nazi German company legislation challenges that remedy. This compact review distinguishes the economic explanation of managerial authority from the unresolved problem of controlling it.
"Separation of ownership and management" tells us nothing about the location of the entrepreneurial function within the managerial hierarchy.
Democratic consent cannot simply be assumed—but can discussion establish the values on which a free society depends? In this 1947 review of Frank H. Knight’s Freedom and Reform, Ludwig M. Lachmann admires Knight’s resistance to easy answers while probing the gap between cooperative truth-seeking and political debate. His sharpest disagreement concerns methodological individualism: against Knight’s demand that it account for society’s formation of individuals, Lachmann argues that scientific analysis isolates conceptual elements rather than explaining concrete social life in its entirety. The review offers a compact encounter between two defenders of freedom who disagree about its philosophical and analytical foundations. Readers can discover why securing agreement, validating values, and explaining purposeful action are distinct problems—and why conflating them weakens the case for a free society.
Complementarity and substitution are not, Lachmann argues, symmetrical static relations between factors: complementarity is the coherence of means within a single production plan, while substitution is the response to disruption, error, or revised expectations. A locomotive substitutes for another locomotive yet complements wagons, crews, tracks, and timetables—so which relation holds depends entirely on the plan through which the goods are read. Beginning from the Hicks-Lange-Harrod debate but pulling the question out of demand analysis and into the structure of production, this early essay dissolves the fiction of homogeneous capital without collapsing into mere physical classification. Capital goods are artifacts made for purposes; spare parts, standardization, and reserve capacity are not accidental frictions but devices for preserving a wider pattern of complementarity. Accumulation, working through chain reactions of gain and loss, makes any single rate of profit meaningless.
We have to provide for many minor changes in order to prevent a major one.
Economics is a science, a social science, and an analytical social science—Lachmann's 1950 inaugural lecture unfolds each claim in turn. As science it seeks systematic, value-free generalizations about observable phenomena, leaving judgments of the good to philosophy; as social science it studies not a special material object called man but phenomena—prices, output, employment—intelligible only as consequences of human choice under scarcity. Borrowing Robbins's ends-and-scarce-means framework, Lachmann insists economics is not psychology: it analyzes the logical implications of choices once made, not the motives behind them. Its method is compositive, tracing complex phenomena back to the plans that compose them, so that even failure becomes intelligible only by reconstructing the plans that failed. The lecture also polices history, warning against pseudo-explanations that personify 'Capitalism' or 'Industrialization,' and denying that any single invariant 'Trade Cycle' exists.
The Logic of Action is essentially a Logic of Success.
Can a theory grounded in the logic of purposeful action explain how people learn from markets? In this 1951 review of Ludwig von Mises’s Human Action, Ludwig Lachmann presses that question while defending economics as an explanation of unfolding plans rather than equilibrium alone. His admiration for Mises does not prevent him from finding a gap: coordination requires changing knowledge, and learning is not simply a logical operation. Lachmann reconstructs an answer from Mises’s account of entrepreneurship, where profits are signals that must be interpreted and productive assets continually recombined. Readers can discover how this emphasis on interpretation and heterogeneous capital changes the diagnosis of economic crises: idle resources may indicate missing complementary assets, not merely insufficient demand. The result is a critical engagement with Mises, not a restatement of his system.
Between 1933 and 1953, economics was reshaped by three visible debates—Keynesian macroeconomics, the theories of imperfect and monopolistic competition, and the new welfare economics of Hicks and Kaldor—but the deeper story, Lachmann contends, is the slow displacement of static equilibrium by problems of time, knowledge, and expectation. Welfare economics he dismisses as ingenious yet politically remote; Keynesian theory as coherent but valid only for extreme situations of depression or wartime inflation, where factors can be treated as homogeneous. Chamberlin, Robinson, and Harrod exposed the unreality of perfect competition yet still classified market forms statically. The constructive alternative is Swedish Process Analysis, which distinguishes the coherence of a single plan from the compatibility of all plans, together with a redefinition of competition not as a market form but as the process by which knowledge spreads and one form turns into another.
In reality, as every newspaper reader knows, politicians pursue power, not welfare.
Even sympathetic critics concede that market allocation may be efficient while inherited wealth renders its results unjust—unless the state periodically redistributes. That concession is the target here. The mistake, Lachmann argues, lies in treating the distribution of wealth as a fixed datum rather than a continuously revised outcome of the market process. He separates the two senses of 'datum'—something merely observed at an instant, and an independent determinant in equilibrium theory—and denies wealth the second role. Because capital goods are heterogeneous and their value hangs on complementarities discovered only under change, the market itself redistributes through capital gains and losses, passing wealth to those quicker to read new scarcities. The result is Pareto's circulation of elites: a leveling process, a game of skill rather than chance, in which no class of owners—shareholder or bondholder—escapes revaluation.
The owners of wealth, we might say with Schumpeter, are like the guests at a hotel or the passengers in a train: They are always there but are never for long the same people.