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Brinks model of international trade of the Visegrad four countries in 2011-2020

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  • Yekimov, Sergey

Abstract

Interpolation of time series by the sum of exponents of the function of a complex variable makes it possible to achieve an approximation accuracy no worse than using regression analysis. Despite the fact that time series are interpolated by functions of a complex variable, the values of these functions under certain conditions are real numbers. To calculate the interpolating function, the author used standard procedures used in the MATHLAB software. The absence of extremum points for exponents is the main advantage when using exponent sums for interpolation purposes compared to interpolation by polynomials.Numerical series characterizing the volume of exports and imports within the Visegrad four were approximated as a sum of sixteen exponents , which are functions of a complex variable .

Suggested Citation

  • Yekimov, Sergey, 2023. "Brinks model of international trade of the Visegrad four countries in 2011-2020," MPRA Paper 117039, University Library of Munich, Germany.
    • Handle: RePEc:pra:mprapa:117039
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    File URL: https://mpra.ub.uni-muenchen.de/117039/1/MPRA_paper_117039.pdf
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    References listed on IDEAS

    as
    1. Erginbay Ugurlu & Irena Jindřichovská, 2022. "Effect of COVID-19 on International Trade among the Visegrad Countries," JRFM, MDPI, vol. 15(2), pages 1-20, January.
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    More about this item

    Keywords

    BRINKS model of international trade; functions of a complex variable ; interpolation; economic and mathematical modeling; BRINKS model;
    All these keywords.

    JEL classification:

    • A10 - General Economics and Teaching - - General Economics - - - General
    • F12 - International Economics - - Trade - - - Models of Trade with Imperfect Competition and Scale Economies; Fragmentation

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