The world financial crisis of 2007–2008 dramatically showed the importance of credit and financial relations for the efficient working of the economy. For a long time mainstream macroeconomics ignored these aspects and concentrated only on the real sector or just took into account the most elementary picture of the financial side of the economy. This book aims at explaining why this happened through an historical excursion of 20th century mainstream macroeconomic theory.
This study of the fundamental theoretical underpinnings of modern economies examines how economists define and categorize the market. It suggests that modeling a social science such as economics on the physical/mathematical sciences has created intractable problems, and that the basic structure of the theory needs rethinking.A meticulously researched work in the field of mathematical economics and pure theory, The Invisible Hand traces the evolution of general economic equilibrium theory in its rich interaction with the physical sciences over a period of more than 150 years. The authors discuss how the "invisible hand" that balances physical processes was inspiration and model for the creation of general economic equilibrium theory.Ingrao and Israel review fundamental concepts of the theory, showing how its early forms, strictly analogous to mechanical equilibrium, arose from the cultural atmosphere generated by Newtonianism and the French Enlightenment. They describe developments and changes in the theory from the work of Leon Walras and Vilfredo Pareto through restructuring by the Vienna group and John Von Neumann and the contributions of the Robbins group at the London School of Economics, to its current formulations in the work of Irving Fisher, Paul Samuelson, Kenneth Arrow, and Gerard Debreu.Concluding chapters survey the results obtained in attempts to deal with questions of the existence of equilibrium, its uniqueness, and the problem of global stability. Ingrao and Israel find that the theory has arrived at a dead end, which raises serious doubts about the internal consistency of the basic model.Bruna Ingrao is Associate Professor of Economics at the University of Sassari and Giorgio Israel is Associate Professor of Mathematics at the University of Rome.
In a lively expository style, the book offers profiles of some outstanding European economists active between the 18th and 20th century. Each chapter focuses on a different economist, with extensive biography and an ample account of his economic thought and philosophical views, including the controversies over interpretation. Cross-references highlight lines of development in economics from the 18th to the late 20th century. Scholarly in approach but eminently readable, it is recommended to students while also being accessible to readers new to the study of economics.
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