by Machlup
[Title Page and Publication Information]: The front matter of Fritz Machlup's lecture on the competition between micro and macro theories in economics, published by the Walter Eucken Institut. It includes the title, author affiliation with Johns Hopkins University, and copyright information for the 1960 publication. [Table of Contents]: A detailed table of contents outlining the four main sections of the work: the history and definitions of micro and macro concepts, the alleged superiority of macrotheory (covering equilibrium, statics/dynamics, and measurability), the relationship between microtheory and business administration, and the roles of growth and employment analysis. [Definitions and Historical Context of Micro and Macro Theories]: Machlup explores the definitions of micro and macro theories, noting that the distinction is often based on aggregation rather than just size. He critiques the terminological confusion where general equilibrium (often called micro) actually encompasses aggregative macro-equilibria. The section includes footnotes referencing Ragnar Frisch and Joseph Schumpeter regarding the classification of general equilibrium systems. [Alternative Criteria for Distinguishing Micro and Macro Economics]: The author examines four criteria for distinguishing micro from macro: visual scope (microscope vs. telescope), the nature of the subjects (individual vs. group), the type of aggregation (homogeneous vs. heterogeneous units), and the role of relative prices. Machlup favors the distinction based on relative prices but acknowledges that aggregation is the most commonly accepted criterion among theorists like Boulding. [Dogmatic History of Micro and Macro Perspectives]: A historical overview showing that macro-perspectives (like Quesnay's Tableau Economique and monetary theories) predated the formal terms. It traces the development through the Classics (Smith, Ricardo) to the subjective value revolution (Menger, Jevons, Walras) which solidified micro-foundations, eventually leading to the Keynesian era where macro-modeling became dominant. [The Hidden Micro-Relations in Macroeconomic Models]: Machlup argues that macro-relations (like the consumption function) are ultimately derived from individual decisions. He cites R.G.D. Allen to emphasize that economists must look behind aggregates to understand how individual choices lead to stable macro-relations. He asserts the primacy of micro-theory and the necessity of 'understanding' (Verstehen) over mere measurement. [The Alleged Superiority of Macro Theory: Limits and Equilibrium]: This section critiques the idea that macro-relations are superior because they impose 'hard limits' on micro-behavior. Using Solow's work on income distribution, Machlup argues that macro-constraints do not replace the need for micro-analysis of adjustment processes. He also clarifies that both micro and macro theories rely equally on the concept of equilibrium as a mental tool. [Statics, Dynamics, and the Ex Ante vs. Ex Post Distinction]: Machlup refutes the notion that macroeconomics is inherently more 'dynamic' than microeconomics, noting that both can be static or dynamic. He provides a critical analysis of 'ex ante' (planned) versus 'ex post' (realized) variables, warning against the logical error of deriving causal consequences from definitional identities (like S=I). [Measurability and Operational Concepts in Economic Theory]: The author discusses the measurability of economic variables, distinguishing between 'constructs' (ideal types) and 'operational concepts' (statistical measurements). He argues that macro-relations are not inherently more measurable or stable than micro-relations, critiquing the success of econometric forecasting and citing Milton Friedman's skepticism regarding complex models versus 'naive' forecasts. [Applicability of Theory in History, Forecasting, and Policy]: Machlup evaluates the practical application of micro and macro theories across three fields: economic history, forecasting, and policy. He concludes that both are indispensable and that neither is 'more applicable' than the other; rather, they serve different specific problems (e.g., trade policy vs. monetary policy). [Microeconomics and Business Administration: The Theory of the Firm]: Machlup discusses the relationship between microeconomic theory and business administration (Betriebswirtschaftslehre). He distinguishes the 'fictional' firm of microeconomics—used as a heuristic device to explain market reactions—from the 'real' firm studied in business administration. He notes that while micro-theory assumes profit maximization as a logic of choice, business administration deals with the actual operational techniques and data gathering. [Market Power and the Limits of the Fictional Firm]: The author admits that the 'fictional firm' model works best under perfect competition. In cases of monopoly or oligopoly, the theorist must use more complex models that consider the specific behaviors and expectations of real-world actors. He distinguishes between 'realistic' and 'relevant' models, arguing that relevance requires stripping away non-essential details while retaining the core causal factors. [The Main and Supporting Roles: Microtheory vs. Macrotheory in Economic History]: Machlup examines the historical shift in economic focus from microeconomic price theory to macroeconomic concerns like underemployment and growth. He argues that while macro-perspectives dominated during the Depression and post-war years, the analysis of growth factors—such as capital formation and technical progress—inevitably requires a return to microeconomic foundations. He asserts that microtheory remains an indispensable core of economics because it addresses the specific incentives and resource allocations that macro-models overlook. [Summary and Judgment: Twenty Theses on the Competition between Theories]: This section provides a comprehensive summary of the entire lecture through twenty distinct theses. It clarifies the definitions of micro and macro based on aggregation levels and price relations, traces the history of macro-thought from Davanzati to Keynes, and critiques common errors such as deriving causality from identity equations. Machlup also distinguishes between the abstract 'fiction' of the firm in microeconomics versus its concrete reality in business administration (Betriebswirtschaftslehre). [Final Verdict: The Coexistence of Micro and Macro Analysis]: Machlup delivers his final verdict on the 'competition' between micro and macro theories, declaring it a draw. He argues that both are essential and will continue to coexist. However, he maintains a philosophical primacy for microtheory, as scientific curiosity naturally seeks to understand the individual behaviors underlying aggregate functions. He concludes with a pedagogical observation that macrotheory is often easier for students to learn, whereas microtheory demands higher intelligence and perseverance.
The front matter of Fritz Machlup's lecture on the competition between micro and macro theories in economics, published by the Walter Eucken Institut. It includes the title, author affiliation with Johns Hopkins University, and copyright information for the 1960 publication.
Read full textA detailed table of contents outlining the four main sections of the work: the history and definitions of micro and macro concepts, the alleged superiority of macrotheory (covering equilibrium, statics/dynamics, and measurability), the relationship between microtheory and business administration, and the roles of growth and employment analysis.
Read full textMachlup explores the definitions of micro and macro theories, noting that the distinction is often based on aggregation rather than just size. He critiques the terminological confusion where general equilibrium (often called micro) actually encompasses aggregative macro-equilibria. The section includes footnotes referencing Ragnar Frisch and Joseph Schumpeter regarding the classification of general equilibrium systems.
Read full textThe author examines four criteria for distinguishing micro from macro: visual scope (microscope vs. telescope), the nature of the subjects (individual vs. group), the type of aggregation (homogeneous vs. heterogeneous units), and the role of relative prices. Machlup favors the distinction based on relative prices but acknowledges that aggregation is the most commonly accepted criterion among theorists like Boulding.
Read full textA historical overview showing that macro-perspectives (like Quesnay's Tableau Economique and monetary theories) predated the formal terms. It traces the development through the Classics (Smith, Ricardo) to the subjective value revolution (Menger, Jevons, Walras) which solidified micro-foundations, eventually leading to the Keynesian era where macro-modeling became dominant.
Read full textMachlup argues that macro-relations (like the consumption function) are ultimately derived from individual decisions. He cites R.G.D. Allen to emphasize that economists must look behind aggregates to understand how individual choices lead to stable macro-relations. He asserts the primacy of micro-theory and the necessity of 'understanding' (Verstehen) over mere measurement.
Read full textThis section critiques the idea that macro-relations are superior because they impose 'hard limits' on micro-behavior. Using Solow's work on income distribution, Machlup argues that macro-constraints do not replace the need for micro-analysis of adjustment processes. He also clarifies that both micro and macro theories rely equally on the concept of equilibrium as a mental tool.
Read full textMachlup refutes the notion that macroeconomics is inherently more 'dynamic' than microeconomics, noting that both can be static or dynamic. He provides a critical analysis of 'ex ante' (planned) versus 'ex post' (realized) variables, warning against the logical error of deriving causal consequences from definitional identities (like S=I).
Read full textThe author discusses the measurability of economic variables, distinguishing between 'constructs' (ideal types) and 'operational concepts' (statistical measurements). He argues that macro-relations are not inherently more measurable or stable than micro-relations, critiquing the success of econometric forecasting and citing Milton Friedman's skepticism regarding complex models versus 'naive' forecasts.
Read full textMachlup evaluates the practical application of micro and macro theories across three fields: economic history, forecasting, and policy. He concludes that both are indispensable and that neither is 'more applicable' than the other; rather, they serve different specific problems (e.g., trade policy vs. monetary policy).
Read full textMachlup discusses the relationship between microeconomic theory and business administration (Betriebswirtschaftslehre). He distinguishes the 'fictional' firm of microeconomics—used as a heuristic device to explain market reactions—from the 'real' firm studied in business administration. He notes that while micro-theory assumes profit maximization as a logic of choice, business administration deals with the actual operational techniques and data gathering.
Read full textThe author admits that the 'fictional firm' model works best under perfect competition. In cases of monopoly or oligopoly, the theorist must use more complex models that consider the specific behaviors and expectations of real-world actors. He distinguishes between 'realistic' and 'relevant' models, arguing that relevance requires stripping away non-essential details while retaining the core causal factors.
Read full textMachlup examines the historical shift in economic focus from microeconomic price theory to macroeconomic concerns like underemployment and growth. He argues that while macro-perspectives dominated during the Depression and post-war years, the analysis of growth factors—such as capital formation and technical progress—inevitably requires a return to microeconomic foundations. He asserts that microtheory remains an indispensable core of economics because it addresses the specific incentives and resource allocations that macro-models overlook.
Read full textThis section provides a comprehensive summary of the entire lecture through twenty distinct theses. It clarifies the definitions of micro and macro based on aggregation levels and price relations, traces the history of macro-thought from Davanzati to Keynes, and critiques common errors such as deriving causality from identity equations. Machlup also distinguishes between the abstract 'fiction' of the firm in microeconomics versus its concrete reality in business administration (Betriebswirtschaftslehre).
Read full textMachlup delivers his final verdict on the 'competition' between micro and macro theories, declaring it a draw. He argues that both are essential and will continue to coexist. However, he maintains a philosophical primacy for microtheory, as scientific curiosity naturally seeks to understand the individual behaviors underlying aggregate functions. He concludes with a pedagogical observation that macrotheory is often easier for students to learn, whereas microtheory demands higher intelligence and perseverance.
Read full text