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2022 | 66 | 2 | 47-61

Article title

Inflacja i względna zmienność cen w Polsce

Content

Title variants

EN
Inflation and Relative Price Volatility in Poland

Languages of publication

Abstracts

EN
This article presents the results of the impact of inflation on relative price volatility based on data from Poland in the period 2011 Q3-2020 Q4. In order to investigate this relationship, CPI data for 12 main groups of the inflation basket are used. The estimates showed that in the case of unexpected inflation, its significant impact on the RPV movements is noticeable, which, in turn, cannot be noticed in the case of expected inflation. Moreover, the functional form indicates a U-shaped relationship in the case of the RPV relation and unexpected inflation. The use of survey measures of forecasted inflation allows for a comprehensive view of the relation between the RPV and inflation.
PL
Artykuł przedstawia wyniki badań dotyczące wpływu inflacji na względną zmienność cen na podstawie danych z Polski z okresu 2011 Q3-2020 Q4. W celu zbadania tego związku wykorzystywano dane CPI dla 12 głównych grup koszyka inflacyjnego. Estymacje wykazały, iż w przypadku inflacji nieoczekiwanej zauważalny jest jej znaczący wpływ na ruchy RPV, czego z kolei nie można dostrzec w przypadku inflacji oczekiwanej. Co więcej, forma funkcjonalna wskazuje na zależność w kształcie litery „U” w przypadku relacji RPV i inflacji nieoczekiwanej. Wykorzystanie ankietowych miar prognozowanej inflacji pozwala na uzyskanie kompleksowego spojrzenia na zjawisko pomiędzy RPV a inflacją. Słowa kluczowe: inflacja, relatywna zmienność cen, oczekiwania inflacyjne, inflacja zasadnicza, inflacja bazowa, regresja liniowa i wielomianowa.

Year

Volume

66

Issue

2

Pages

47-61

Physical description

Dates

published
2022

Contributors

  • Politechnika Gdańska

References

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Document Type

Publication order reference

Identifiers

Biblioteka Nauki
2083990

YADDA identifier

bwmeta1.element.ojs-doi-10_15611_pn_2022_2_04
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