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This work nests the Agent-Based macroeconomic perspective into the earlier history of macroeconomics. We discuss how the discipline in the 70’s took a perverse path relying on models grounded on fictitious rational representative agent in order to try to pathetically circumvent aggregation and coordination problems. The Great Recession was a natural experiment for macroeconomics, showing the inadequacy of the predominant theoretical framework grounded on DSGE models. After discussing the pathological fallacies of the DSGE-based approach, we claim that macroeconomics should consider the economy as a complex evolving system, i.e. as an ecology populated by heterogenous agents, whose far-from-equilibrium interactions continuously change the structure of the system. This in turn implies that more is different: macroeconomics cannot be shrink to representative-agent micro, but agents’ complex interactions lead to emergence of new phenomena and hierarchical structure at the macro level. This is what is taken into account by agent-based models, which provide a novel way to model complex economies from the bottom-up, with sound empirically-based microfoundations. We present the foundations of Agent-Based macroeconomics and we discuss how the contributions of this special issue push its frontier forward. Finally, we conclude by discussing the ways ahead for the fully acknowledgement of agent-based models as the standard way of theorizing in macroeconomics.

In this ground-breaking analysis of the world's first private banks, Edward Cohen convincingly demonstrates the existence and functioning of a market economy in ancient Athens while revising our understanding of the society itself. Challenging the \"primitivistic\" view, in which bankers are merely pawnbrokers and money-changers, Cohen reveals that fourth-century Athenian bankers pursued sophisticated transactions. These dealings--although technologically far removed from modern procedures--were in financial essence identical with the lending and deposit-taking that separate true \"banks\" from other businesses. He further explores how the Athenian banks facilitated tax and creditor avoidance among the wealthy, and how women and slaves played important roles in these family businesses--thereby gaining legal rights entirely unexpected in a society supposedly dominated by an elite of male citizens. Special emphasis is placed on the reflection of Athenian cognitive patterns in financial practices. Cohen shows how transactions were affected by the complementary opposites embedded in the very structure of Athenian language and thought. In turn, his analysis offers great insight into daily Athenian reality and cultural organization.

\"Economists and Societies is the first book to systematically compare the profession of economics in the United States, Britain, and France, and to explain why economics, far from being a uniform science, differs in important ways among these three countries. Drawing on in-depth interviews with economists, institutional analysis, and a wealth of scholarly evidence, the author traces the history of economics in each country from the late nineteenth century to the present, demonstrating how each political, cultural, and institutional context gave rise to a distinct professional and disciplinary configuration. She argues that because the substance of political life varied from country to country, people's experience and understanding of the economy, and their political and intellectual battles over it, crystallized in different ways - through scientific and mercantile professionalism in the United States, public-minded elitism in Britain, and statist divisions in France. Fourcade moves past old debates about the relationship between culture and institutions in the production of expert knowledge to show that scientific and practical claims over the economy in these three societies arose from different elites with different intellectual orientations, institutional entanglements, and social purposes. Much more than a history of the economics profession, the book is a revealing exploration of American, French, and British society and culture as seen through the lens of their respective economic institutions and the distinctive character of their economic experts.\" Die Untersuchung enthält quantitative Daten. Forschungsmethode: deskriptive Studie; historisch. Die Untersuchung bezieht sich auf den Zeitraum 1890 bis 2000. (author's abstract, IAB-Doku).

The letter, dated 14 September 1956, starts a decade long correspondence between Franco Modigliani and Paolo Sylos Labini. Here Modigliani discusses at length a first draft of Sylos Labini’s book on oligopoly theory. Differently from Modigliani’s well known 1958 review of the book, Modigliani focuses here not mainly on the structure of oligopoly industries, but especially on the macroeconomic implications of Sylos Labini’s model. The letter is reproduced with Sylos Labini’s annotated comments on Modigliani’s remarks.

Introducing the publication of a long 1956 letter by Franco Modigliani (FM) to Paolo Sylos Labini (PSL) on the draft of PSL’s book, Oligopoly and Technical Progress, the paper critically reviews the theoretical background of FM’s comments, showing how the pre-Keynesian roots dominate the so-called neoclassical synthesis as well as its shaky foundations. The paper also discusses FM’s interpretation of PSL’s oligopoly theory, as well as their collaboration (and differences) on policy issues, such as their opposition to the 100% money wage indexation adopted in Italy from the mid-1970s to the mid-1980s.

We present a general equilibrium model of the new neoclassical synthesis that has the same level of generality as the Arrow-Debreu model. This involves a stochastic multi-period economy with a monetary sector and sticky commodity prices. We formulate the notion of a sticky price equilibrium where all agents form rational expectations on prices for commodities and assets, interest rates, and rationing. We present a general result showing that monetary policy imposes no restrictions whatsoever on nominal equilibrium price levels and that the set of sticky price equilibria has a dimension equal to the number of terminal date-events. Stickiness of prices implies that this indeterminacy is real.

The right of governments to employ capital controls has always been the official orthodoxy of the International Monetary Fund, and the organization's formal rules providing this right have not changed significantly since the IMF was founded in 1945. But informally, among the staff inside the IMF, these controls became heresy in the 1980s and 1990s, prompting critics to accuse the IMF of indiscriminately encouraging the liberalization of controls and precipitating a wave of financial crises in emerging markets in the late 1990s. In Capital Ideas, Jeffrey Chwieroth explores the inner workings of the IMF to understand how its staff's thinking about capital controls changed so radically. In doing so, he also provides an important case study of how international organizations work and evolve.

Aim: The purpose of this article is an attempt to systematise and evaluate the achievements of the American Nobel laureate in economic sciences and co-founder of ‘neoclassical synthesis’ — P.A. Samuelson. Motivation: This economist greatly developed the methodology and theory of economics. Preferring the mathematical method in scientific inquiry and introducing new graphic solutions, he contributed to the mathematisation of economics. He enriched the theory of consumption by revealed preferences, devised the 45° line to determine the Keynesian short-term equilibrium in the goods market, as well as the consumer demand, investment demand, and savings function curves, and he also defined collective goods. He completed the theory of division with the modified Lorenz curve, presented the problem of the allocation of scarce resources by the curve of production possibilities, and generalised — together with R.M. Solow — the Phillips curve. In addition, he created a model of the interdependence of the multiplier and accelerator, and developed the theory of foreign trade by the ‘Stolper-Samuelson effect’ and the statement of the impact of prices of production factors on the allocation of resources. Results: Caring for affordability of the exposition of basic economic knowledge contained in his textbook Economics, he made a revolution in the teaching of economics. Owing to these achievements, P.A. Samuelson earned his inclusion in the circle of the greatest economists of the twentieth century.

Introducing the publication of a long 1956 letter by Franco Modigliani (FM) to Paolo Sylos Labini (PSL) on the draft of PSL's book, Oligopoly and Technical Progress, the paper critically reviews the theoretical background of FM's comments, showing how the pre-Keynesian roots dominate the so-called neoclassical synthesis as well as its shaky foundations. The paper also discusses FM's interpretation of PSL's oligopoly theory, as well as their collaboration (and differences) on policy issues, such as their opposition to the 100% money wage indexation adopted in Italy from the mid-1970s to the mid-1980s. Keywords: Macroeconomic theory, Oligopoly, Neoclassical synthesis, Modigliani, Sylos Labini JEL code: B31, D43, E13, E64

Introducing the publication of a long 1956 letter by Franco Modigliani (FM) to Paolo Sylos Labini (PSL) on the draft of PSL's book, Oligopoly and Technical Progress, the paper critically reviews the theoretical background of FM's comments, showing how the pre-Keynesian roots dominate the so-called neoclassical synthesis as well as its shaky foundations. The paper also discusses FM's interpretation of PSL's oligopoly theory, as well as their collaboration (and differences) on policy issues, such as their opposition to the 100% money wage indexation adopted in Italy from the mid-1970s to the mid-1980s. Keywords: Macroeconomic theory, Oligopoly, Neoclassical synthesis, Modigliani, Sylos Labini JEL code: B31, D43, E13, E64