Foreword -- It says something for the economics of publishing and the voracious appetite of the educated public that an advanced book like the present one should be reissued in paperback form.
Preface -- The original version of this book submitted to the David A. Wells Prize Committee of Harvard University in 1941 carried the subtitle, "The Operational Significance of Economic Theory." At that time most of the material presented was already several years old, having been conceived and written primarily in 1937.
The further development of analytical economics along the lines of comparative dynamics must rest with the future. It is to be hoped that it will aid in the attack on diverse problems -- from the trivial behavior of a single small commodity, to the fluctuations of important components of the business cycle, and even to the majestic problems of economic development.
Foundations of Economic Analysis is a book by Paul A. Samuelson published in 1947 (Enlarged ed., 1983). It sought to demonstrate a common mathematical structure underlying multiple branches of economics from two basic principles: optimizing behavior of agents and stability of equilibrium as to economic systems (such as markets or economies). Among other contributions, it advanced the theory of index numbers and generalized welfare economics. It is especially known for definitively stating and formalizing qualitative and quantitative versions of the "comparative statics" method for calculating how a change in any parameter (say, a change in tax rates) affects an economic system. One of its key insights about comparative statics, called the correspondence principle, states that stability of equilibrium implies testable predictions about how the equilibrium changes when parameters are changed. - From Wapedia.
Recent statistical techniques, including nonlinear programming, have been added to a basic survey of equilibrium systems, comparative statistics, consumer behavior theory, and cost and production theory.
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