Tendencje rozwojowe polskiego importu i eksportu w latach 1950—1960
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Date
1966
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Wydział Prawa i Administracji UAM
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Abstract
The article presents the results of the analysis of the size and structure of
Polish import and export in the years 1950—1960, taking into consideration particulary
the trends of individual sections. As well in import as in export there is
a distinct and permanent tendency to increase returns in the whole investigated
period, but it differs in separate sections.
It is possible to demonstrate many of them approximately with the aid of
Ezekiel's function in the shape of:
log Y=a+bX.
In some cases it was necessary to apply the higher degree of functions as:
Y=a+bX+cX2
Y = a + bX+cX2+dX3
or log Y=a+bX+cX2+dX3 etc.
For estimation of constants for this type of functions it was necessary to apply
the matrix calculus.
The paper gives as an example the review of different types of functions in
order to show the possibility of adapting statistical methods in plannig and in the
economic policy of foreign trade for setting suitable prognoses and for adopting
home economy to the requirements visible in the investigated field.
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Digitalizacja i deponowanie archiwalnych zeszytów RPEiS sfinansowane przez MNiSW w ramach realizacji umowy nr 541/P-DUN/2016
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Citation
Ruch Prawniczy, Ekonomiczny i Socjologiczny 28, 1966, z. 2, s. 105-120