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EN
This paper compares the in-sample forecasting performance of the new Keynesian small scale DSGE models. The comparison includes the standard sticky prices model and sticky prices and wages model of Erceg, Henderson and Levin. VAR models are used as the baseline. Comparison of forecasting errors has shown that Erceg, Henderson and Levin’s model is characterized by better forecasting performance than the sticky prices model with respect to inflation, production and real wages. Moreover, it better predicts inflation than the VAR models.
PL
W pracy dokonano porównania zdolności prognostycznych modeli DSGE małej skali wewnątrz próby. W porównaniu wykorzystano podstawowy, nowokeynesistowski model monetarny oraz model Ercega, Hendersona i Levina, który rozszerza model podstawowy na przypadek lepkich płac nominalnych. Dodatkowo w analizie ujęto modele VAR, które stanowią podstawę ułatwiającą porównania. Porównanie błędów prognoz pokazało, że lepszymi zdolnościami prognostycznymi w przypadku inflacji, produkcji oraz realnej stawki płac charakteryzował się model Ercega, Hendersona i Levina. Model ten charakteryzował się również mniejszymi błędami predykcji inflacji niż modele VAR.
PL
Autorzy chcą serdecznie podziękować prof. S. Krajewskiemu, prof. dr. hab. E. Kwiatkowskiemu, dr. A. Stępniak-Kucharskiej, dr. J. Pruskiemu oraz mgr. J. Kowalskiemu z Instytutu Ekonomii Uniwersytetu Łódzkiego oraz prof. N. Łapińskiej-Sobczak z Instytutu Ekonometrii i Statystyki UŁ za cenne uwagi zgłoszone podczas pracy nad tekstem.
EN
he objective of the article is an analysis of influence of a degree of central bank independence on a rate of inflation. Inflation theories of dynamic inconsistency were developed e.g. by Kydland and Prescott [1977], Barro and Gordon [1983] and Rogoff [1985]. On the basis of mentioned theories higher degree of central bank independence may result in lower rate of inflation. The first part of the article presents theorical basis of analysed relationship and is based on articles by Rogoff [1985], Alesina and Summers [1993], Posen [1993] and Eijjfinger and de Hann [1996]. However, the theory does not conclusively indicate the direction of this influence. Hence, the aroused purpose was to verify whether an institutional forms of monetary policy influences the rate of inflation. The next part includes empirical research. The degree of central bank independence was described by qualitative measures, which as well as transformed rate of inflation were derived from articles by Grilli, Masciandaro, Tabellini [1991] and Cukierman, Webb, Neyapti [1992]. The relation was estimated with the use of a linear regression. Results suggest that the influence of the degree of central bank independence on the rate of inflation is negative. Research done by other authors confirm the hypothesis pointed out in the article, however further analyses are recommended. Remove selected
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