Kondratiev Waves in the US Economy
The aim of the article was to determine the time of occurrence of Kondratiev waves in the US economy and the assessment of their power from the moment of emergence to up to now. Because of the spectral analysis of deviations from the trend of a number of real per capita GDP for the 1790-2010 years in the economic dynamics of the US identified Kondratiev waves. The obtained results show that the US economy were formed in the second half of the XIX century. In the second half of the XX century, during the formation of post-industrial economy the power of Kondratiev waves began to decline. The existence of Kondratiev waves. during the last half century enables identification of the US economy at least three technological structures, including the fourth, fifth and sixth order.