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Concept
New classical macroeconomics
Summary
New classical macroeconomics, sometimes simply called new classical economics, is a school of thought in macroeconomics that builds its analysis entirely on a neoclassical framework. Specifically, it emphasizes the importance of rigorous foundations based on microeconomics, especially rational expectations.
New classical macroeconomics strives to provide neoclassical microeconomic foundations for macroeconomic analysis. This is in contrast with its rival new Keynesian school that uses microfoundations, such as price stickiness and imperfect competition, to generate macroeconomic models similar to earlier, Keynesian ones.
Classical economics is the term used for the first modern school of economics. The publication of Adam Smith's The Wealth of Nations in 1776 is considered to be the birth of the school. Perhaps the central idea behind it is on the ability of the market to be self-correcting as well as being the most superior institution in allocating resources. The central assumption implied is that all individuals maximize their utility.
The so-called marginal revolution that occurred in Europe in the late 19th century, led by Carl Menger, William Stanley Jevons, and Léon Walras, gave rise to what is known as neoclassical economics. This neoclassical formulation had also been formalized by Alfred Marshall. However, it was the general equilibrium of Walras that helped solidify the research in economic science as a mathematical and deductive enterprise, the essence of which is still neoclassical and makes up what is currently found in mainstream economics textbooks to this day.
The neoclassical school dominated the field up until the Great Depression of the 1930s. Then, however, with the publication of The General Theory of Employment, Interest and Money by John Maynard Keynes in 1936, certain neoclassical assumptions were rejected. Keynes proposed an aggregated framework to explain macroeconomic behavior, leading thus to the current distinction between micro- and macroeconomics.
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