Kondratiev cycle

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The Kondratiev cycle, also known as the long wave cycle, is a 50-60 year economic cycle proposed by Nikolai Kondratiev in the 1920s. It is based on the notion that capitalist economies experience long-term, structural shifts in economic growth that are distinct from the short-term business cycles. The Kondratiev cycle consists of four distinct phases: expansion, peak, contraction and trough.

  • Expansion: This phase is characterized by increased investment in capital goods, high employment, rising wages, and rapid economic growth.
  • Peak: This phase is characterized by a slowdown in economic growth, high inflation, and increasing interest rates.
  • Contraction: This phase is characterized by a decrease in investment, falling wages, increased unemployment, and declining economic growth.
  • Trough: This phase is characterized by a low level of economic activity, low inflation, and low interest rates.

Overall, the Kondratiev cycle suggests that economies will experience long periods of growth followed by periods of contraction. By studying this cycle, economists can better understand the long-term trends in the economy.

Example of Kondratiev cycle

The Great Recession of 2007-2009 is an example of a Kondratiev Cycle contraction. During this period, there was a decrease in investment, falling wages, increased unemployment, and declining economic growth. The contraction was followed by a period of recovery, where there was increased investment, high employment, rising wages, and rapid economic growth. This is an example of how the Kondratiev cycle operates in the economy.

Formula of Kondratiev cycle

The Kondratiev cycle can be described mathematically by the following formula:

where Δ P is the rate of economic growth, α is the baseline growth rate, β is the rate of acceleration, and γ is the rate of deceleration. This formula suggests that the rate of economic growth will accelerate in the expansion phase and decelerate in the contraction phase.

When to use Kondratiev cycle

The Kondratiev cycle can be used to evaluate the long-term trends in an economy, as well as to identify potential opportunities for investment. It can also be used to understand how changes in the economy in one sector may have a ripple effect across other sectors, as well as to anticipate potential shifts in the economy. Additionally, the Kondratiev cycle can be used to inform policy decisions, as it can provide insight into when to adjust economic policies, such as taxation and trade regulations, to address economic conditions.

Overall, the Kondratiev cycle provides an important tool for economists to understand the long-term economic trends and to inform policy decisions. By studying the Kondratiev cycle, economists can better understand the economic trends and anticipate potential shifts in the economy.

Steps of Kondratiev cycle

The Kondratiev cycle consists of four distinct steps that take place in a cyclical pattern over the course of 50-60 years.

  • Step 1: Expansion: This is the initial growth phase of the cycle, when investment in capital goods increases, employment is high, wages rise, and the economy experiences rapid growth.
  • Step 2: Peak: This is the point at which the economic growth begins to slow, inflation increases, and interest rates rise.
  • Step 3: Contraction: This is the period of economic decline, when investment decreases, wages fall, unemployment rises, and economic growth slows.
  • Step 4: Trough: This is the point at which the economy is at its lowest point, with low levels of economic activity, low inflation, and low interest rates.

Advantages of Kondratiev cycle

The Kondratiev cycle offers several advantages for economists. Firstly, it provides a framework for understanding long-term economic trends. Secondly, it allows economists to identify key turning points in the economic cycle. Thirdly, it can be used to make more accurate economic forecasts. Lastly, it can help policy makers anticipate and prepare for economic downturns.

Limitations of Kondratiev cycle

Despite the Kondratiev cycle being a useful tool for understanding long-term economic trends, there are several limitations that should be noted. Firstly, the cycle isn't easily quantified or observed as it is not always obvious when one phase ends and the next begins. Secondly, the length of the cycle can vary and is not always consistent. Lastly, the cycle is affected by external factors such as government policies, technological advances, and changes in consumer demand, which can cause the cycle to be disrupted or delayed.

Other approaches related to Kondratiev cycle

In addition to the Kondratiev cycle, there are several related economic theories that seek to explain long-term economic trends. These include the Juglar cycle, which is a shorter 18-year cycle, and the Kuznets cycle, which is a longer 80-year cycle. The Kuznets cycle is based on the notion that economic growth follows a "U" shaped curve over time, with periods of rapid growth followed by periods of slower growth. Finally, there is the Kuznets-Kondratiev cycle, which combines the theories of both Kondratiev and Kuznets to explain long-term economic trends.

Overall, these theories seek to explain the long-term economic trends that are distinct from the short-term business cycles. By studying these theories, economists can better understand the underlying forces that drive economic growth over the long-term.


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