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Sztywność płac nominalnych w modelach DSGE małej skali. Analiza empiryczna dla Polski

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  • Zbigniew Kuchta

Abstract

Celem pracy jest empiryczna weryfikacja założenia o istnieniu sztywności płac nominalnych w modelach DSGE, estymowanych dla gospodarki polskiej. Weryfikacja ta została dokonana dzięki bayesowskiemu porównaniu modelu lepkich cen z modelem lepkich cen i płac, a także z ich rozszerzeniami na przypadek indeksacji. Podstawę porównania stanowiły kwartalne dane z lat 1995–2011, na podstawie których oszacowano każdy z analizowanych modeli. Następnie, dla każdego z nich obliczono gęstość brzegową oraz odniesiono je do siebie uzyskując czynnik Bayesa. Uzyskane wyniki dowodzą, że model lepkich płac i cen charakteryzuje się najlepszym dopasowaniem do analizowanej próby. Założenie indeksacji nie wpływało istotnie na dopasowanie modelu do danych zarówno w przypadku modelu o doskonale elastycznych, jak i lepkich płacach nominalnych. Ponadto porównanie funkcji reakcji na impuls pokazało, że model o lepkich cenach i płacach nominalnych implikuje inne, niż model lepkich cen, funkcje reakcji na impuls. Jednocześnie otrzymane oszacowania parametrów były w znacznym stopniu determinowane przez założenie sztywności nominalnej płac.

Suggested Citation

  • Zbigniew Kuchta, 2014. "Sztywność płac nominalnych w modelach DSGE małej skali. Analiza empiryczna dla Polski," Gospodarka Narodowa. The Polish Journal of Economics, Warsaw School of Economics, issue 6, pages 31-56.
    • Handle: RePEc:sgh:gosnar:y:2014:i:6:p:31-56
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    Cited by:

    1. Pawel Baranowski & Zbigniew Kuchta, 2015. "Changes in nominal rigidities in Poland – a regime switching DSGE perspective," Lodz Economics Working Papers 6/2015, University of Lodz, Faculty of Economics and Sociology.
    2. Piotr Krajewski, 2017. "Czy szacując efekty polityki makroekonomicznej należy uwzględniać perspektywę planowania gospodarstw domowych?," Gospodarka Narodowa. The Polish Journal of Economics, Warsaw School of Economics, issue 4, pages 39-61.
    3. Mariusz Górajski & Zbigniew Kuchta, 2022. "Which hallmarks of optimal monetary policy rules matter in Poland? A stochastic dominance approach," Bank i Kredyt, Narodowy Bank Polski, vol. 53(2), pages 149-182.
    4. Przemysław Włodarczyk, 2016. "Modele reprezentatywnych podmiotów gospodarczych jako narzędzie analizy w nowej syntezie neoklasycznej," Bank i Kredyt, Narodowy Bank Polski, vol. 47(6), pages 553-584.
    5. Przemysław Włodarczyk, 2018. "Rynek pracy w modelu nowej syntezy neoklasycznej ze sztywnościami płac nominalnych," Gospodarka Narodowa. The Polish Journal of Economics, Warsaw School of Economics, issue 4, pages 51-92.

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    More about this item

    Keywords

    sztywności nominalne cen i płac; dynamiczne modele równowagi ogólnej; bayesowskie porównywanie modeli; indeksacja cen i płac;
    All these keywords.

    JEL classification:

    • J30 - Labor and Demographic Economics - - Wages, Compensation, and Labor Costs - - - General
    • E30 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - General (includes Measurement and Data)
    • E32 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Business Fluctuations; Cycles
    • C52 - Mathematical and Quantitative Methods - - Econometric Modeling - - - Model Evaluation, Validation, and Selection

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