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Forecast

What Physics, Meteorology and the Natural Sciences can teach us about Economics

Von Mark Buchanan
18 Minuten
Forecast: What Physics, Meteorology and the Natural Sciences can teach us about Economics von Mark Buchanan

Forecast critiques modern economic theory by revealing its major flaws. Physicist Mark Buchanan takes a close look at basic scientific assumptions behind our economic understanding and, with deft analytical skills, he unveils their inaccuracy. In the second part of the book, Buchanan presents a range of scientific discoveries that he believes might eventually help us to improve modern economics.

  • Anyone interested in economics, science or politics

Mark Buchanan is a physicist and the author of four books, all of them concerned with applying principles of physics to other fields. Besides his work as an editor for the prestigious scientific journal Nature, he has also worked as a journalist, writing for the New York Times, The Independent and The Harvard Business Review.

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Forecast

What Physics, Meteorology and the Natural Sciences can teach us about Economics

Von Mark Buchanan
  • Lesedauer: 18 Minuten
  • 11 Kernaussagen
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Forecast: What Physics, Meteorology and the Natural Sciences can teach us about Economics von Mark Buchanan
Worum geht's

Forecast critiques modern economic theory by revealing its major flaws. Physicist Mark Buchanan takes a close look at basic scientific assumptions behind our economic understanding and, with deft analytical skills, he unveils their inaccuracy. In the second part of the book, Buchanan presents a range of scientific discoveries that he believes might eventually help us to improve modern economics.

Kernaussage 1 von 11

The concept of equilibrium helped to explain early discoveries in economics.

As any economist worth her salt will know, Adam Smith played a major role in developing economics – the scientific study of the economy in the eighteenth century.

In 1776, Smith wrote the influential The Wealth of Nations, in which he explained how the division of labor could increase a company’s productivity.

Let’s say a company produces pins. If every employee were responsible for just one step in the production chain – for example, one person to cast the metal, and another to smelt it – the company would be far more productive.

Smith also introduced another major concept: the invisible hand. According to his theory, if everyone pursued his or her selfish interests, eventually this would lead to beneficial outcomes for our society.

If we apply this concept to the pin company example, if the company introduces a division of labor into its production process, the result is that it can offer its pins at a cheaper price, hence benefiting itself (more sales) and society (cheaper prices).

In order to give these early discoveries scientific credibility, economists adopted the concept of equilibrium. They invoked the Greek physicist Archimedes, who used equilibrium to explain the workings of levers and other simple mechanisms. Equilibrium, for Archimedes, was achieved when both arms of a lever bore an equal weight at an equal distance.

Early economists also used Isaac Newton’s theory of gravity to lend credibility to the equilibrium concept. With his theory, Newton claimed that unbalanced forces affect every object, essentially accelerating it until it reaches a state of equilibrium. According to Newton, an apple falling from a tree reaches its equilibrium when it hits the ground.

It was in such august company as Archimedes and Newton that, in 1874, economist Léon Walras adopted the concept of equilibrium in order to explain Smith’s theory of the invisible hand. Using mathematics, Walras demonstrated the way in which both supply and demand eventually come to a state of equilibrium, where the total demand is satisfied by a sufficient supply.

As we’ll see in the following blinks, the concept of equilibrium still plays a major role in modern economics.

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