UCM: A measure of core inflation
by Sujata Kar
International Journal of Monetary Economics and Finance (IJMEF), Vol. 3, No. 3, 2010

Abstract: The primary objective of this paper is to establish the superiority of Unobserved Components Models (UCMs) as a measure of core inflation over alternative econometric methods, namely Structural Vector Autoregressive (SVAR). UCMs have the advantage of allowing the policy makers to decide which components of the headline inflation should be defined as permanent and which one as transitory on the basis of their duration. The paper also comments on the comparative performance of annually differenced series over seasonally differenced series. The UCMs are found to generate reasonable medium to long-term out-of-sample forecasts of Wholesale Price Index (WPI) inflation.

Online publication date: Wed, 02-Jun-2010

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