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Title: Long memory in Angolan macroeconomic series: Mean reversion versus explosive behaviour
Authors: Barros, CP
Caporale, GM
Gil-Alana, LA
Keywords: Macroeconomics;Angola;Fractional integration and cointegration;Persistence
Issue Date: 2012
Publisher: Brunel University
Citation: Economics and Finance Working Paper, Brunel University, 12-09, May 2012
Abstract: This study examines the time series behaviour of several Angolan macroeconomic variables, using monthly data from August 1996 to June 2011. The series are the inflation rate, M1, M2, the exchange rate at the beginning and the end of the period, and the monthly average exchange rate. In the first stage univariate fractional integration models are estimated in order to determine whether shocks to the variables have transitory or permanent effects. In the second stage fractional cointegration techniques are applied to test for the existence of long-run equilibrium relationships between the variables of interest. The results suggest a high degree of persistence in the individual series (that are not mean-reverting) and the existence of bivariate long-run cointegrating relationships between prices and money, and prices and nominal exchange rates.
Appears in Collections:Economics and Finance
Dept of Economics and Finance Research Papers

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