The existence of fluctuations is part of the narrative, especially when there is a slowdown (or worse, a contraction) in economic activity. The presence of long waves with a period of about 50 years as proposed by Kondratieff is one of the most controversial and fascinating theories about...

The question of the validity of the "so called" Kondratieff's theory of long waves has been a well-known controversial issue among historians, economic, social and political science scholars. In this work, the author analyses its consistency and cycles general framework investigating both...