Acta Universitatis Danubius. Œconomica, Vol 7, No 4 (2011)

The Analysis of the Evolution of the Gross Domestic Product by Means Of Fourier Development

Catalin Angelo Ioan, Gina Ioan


In this article, we will carry out an analysis on the regularity of the Gross Domestic Product of a country, in our case the United States. The method of analysis is based on the consideration of the development in the Fourier series of a function and testing in terms of the average absolute error of the nearest polynomial Fourier of real data are considered. The obtained results show a cycle for 13 years, the average absolute error being 3.69%. The method described allows an prognosis on short-term trends in GDP.


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