Munich Personal RePEc Archive

Indicators of core inflation: Case of Tunisia

mhamdi, ghrissi (2014): Indicators of core inflation: Case of Tunisia. Published in: INTERDISCIPLINARY JOURNAL OF CONTEMPORARY RESEARCH IN BUSINESS , Vol. 5, No. 12 (18 April 2014)

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Abstract

The aim of this paper is to provide a credible measure of inflation. This credibility is of great importance for successful inflation targeting regime. This paper proposes a technique to solve a conceptual disparity between inflation phenomenon and its measurement. For this, we proposed an alternative measure called core inflation, defined as the inflation component that has no real impact on long-term production. Evaluation of core inflation was obtained using a VAR system under the assumption that variations in the extent of inflation are affected by two types of shock. The first type has no impact on real output in the long term, while the second can have this effect. This approach is a reconstruction of the approach of Quah and Vahey (1995) in the case of the Tunisian economy. The study concluded that the administered prices constitute a major obstacle to measure, interpret and forecast inflation. Central Bank of Tunisia has no control over a third of the CPI basket. This feature of the Tunisian economy is simply a sign of weakness of the economic system and the need for monetary authorities to continue its efforts to liberalize prices.

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