Inflation Persistence and Changes in the Monetary Regime: The Argentine Case
AbstractFor many years, a prevalent stylized fact in the literature on inflation dynamics has been that inflation is a highly persistent process, sometimes close to a random walk. This feature of the inflation process has several important implications for monetary policy modeling and conducting. From the point of view of policy modeling, persistence is a feature of inflation closely related to the assumptions on price formation in which the standard models currently used for policy modeling are based. From a more practical perspective it is clear that having a good knowledge of how rapidly inflation approaches its equilibrium level is crucial for the effectiveness of policy actions. Recent empirical evidence has shed light on the close relationship between inflation persistence and monetary policy regime. These studies revealed the importance of evaluating the presence of breaks in the mean of inflation and considering a time varying mean, if necessary, to adequately measure persistence. They also provided evidence that changes in the mean of inflation appear to be related to regime shifts. The assumption of a constant mean is clearly not plausible for Argentina, a country that has experienced a period of high and persistent inflation during the 80´s, a hyperinflation episode by the end of this decade and a period of low inflation from then on. Inflation was very high during the 80´s, a period in which monetary policy was quite exogenously determined because of f iscal dominance. This high inflation period ended in a hyperinflation episode after which a currency board regime was adopted. Under this regime monetary policy was passive and the dynamics of inflation was, to a certain extent, exogenously driven. Inflation remained at very low levels during this period which ended with the abandonment of Convertibility in January 2002. Following the sharp devaluation of the peso, which led to a dramatic change in relative prices, inflation raised, reaching a peak in April 2002. It then returned to lower levels, although a bit higher than those of Convertibility. The historical behavior of inflation in Argentina suggests that modeling inflation dynamics is not an easy task. Structural breaks make it quite difficult to obtain a unique model for a long period of time. We study the issue of inflation persistence in Argentina for the period 1980-2007 from two perspectives: univariate time-series and disaggregate frequency-domain analysis of the Consumer Price Index (CPI) inflation. From the first viewpoint the appropriateness of considering a time-varying mean is evaluated by comparing measures of persistence for both a constant and a time-varying mean. The second approach focuses on a spectral decomposition of CPI sub-indexes´ monthly price changes during the last two monetary regimes in Argentina (Convertibility and post-Convertibility regimes) in order to get a deeper insight into the differences between the dynamic features of both inflation processes. We are able to identify significant changes in mean and persistence of inflation in Argentina during the period 1980-2007. Breaks in mean inflation are clearly related to regime shifts: the hyperinflation period in 1989, when the whole sample is considered; and the abandonment of the Convertibility regime in 2002, when we analyze the low inflation period separately. Given the presence of breaks we differentiate inflation with respect to a time varying mean to measure persistence. Only by subtracting a time varying mean to inflation the estimated persistence decreases significantly. We find that inflation was highly persistent during the high inflation period, but strongly declined when inflation lowered after the adoption of Convertibility regime in 1991. Then, it increased slightly after the adoption of a managed float in 2002. Regarding the comparison between inflation dynamics during the Convertibility and post-Convertibility regimes, frequency-domain analysis provided us with some interesting insights. Overall volatility in prices is significantly higher in the recent period, though the contribution of high-frequency (temporary and seasonal) movements to this volatility was relatively more important during the Convertibility regime. That said, persistence is key to explain price dynamics during the post-Convertibility regime, while that was not necessarily the case in the previous period. Summing up, we find that, in line with the empirical evidence, changes in persistence in Argentina are related to monetary regime changes.
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Bibliographic InfoArticle provided by Central Bank of Argentina, Economic Research Department in its journal Ensayos Económicos.
Volume (Year): 1 (2008)
Issue (Month): 50 (January - March)
Argentina; frequency domain analysis; inflation persistence; mean inflation; time series;
Other versions of this item:
- Laura D´Amato & Lorena Garegnani & Juan M. Sotes Paladino, 2007. "Inflation Persistence and Changes in the Monetary Regime: The Argentine Case," BCRA Working Paper Series 200723, Central Bank of Argentina, Economic Research Department.
- C22 - Mathematical and Quantitative Methods - - Single Equation Models; Single Variables - - - Time-Series Models; Dynamic Quantile Regressions; Dynamic Treatment Effect Models &bull Diffusion Processes
- E31 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Price Level; Inflation; Deflation
- E52 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Monetary Policy
Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
- Paul Castillo & Alberto Humala & Vicente Tuesta, 2007. "Monetary Policy, Regime Shifts, and Inflation Uncertainty in Peru (1949-2006)," Working Papers 2007-005, Banco Central de Reserva del Perú.
- Jordi Galí & Mark Gertler, 1998.
"Inflation dynamics: A structural econometric analysis,"
Economics Working Papers
341, Department of Economics and Business, Universitat Pompeu Fabra.
- Gali, Jordi & Gertler, Mark, 1999. "Inflation dynamics: A structural econometric analysis," Journal of Monetary Economics, Elsevier, vol. 44(2), pages 195-222, October.
- Jordi Gali & Mark Gertler, 2000. "Inflation Dynamics: A Structural Econometric Analysis," NBER Working Papers 7551, National Bureau of Economic Research, Inc.
- Carlos Capistrán & Manuel Ramos Francia, 2006.
"Inflation Dynamics in Latin America,"
2006-11, Banco de México.
- Elliott, Graham & Rothenberg, Thomas J & Stock, James H, 1996.
"Efficient Tests for an Autoregressive Unit Root,"
Econometric Society, vol. 64(4), pages 813-36, July.
- Graham Elliott & Thomas J. Rothenberg & James H. Stock, 1992. "Efficient Tests for an Autoregressive Unit Root," NBER Technical Working Papers 0130, National Bureau of Economic Research, Inc.
- Tom Doan, . "ERSTEST: RATS procedure to perform Elliott-Rothenberg-Stock unit root tests," Statistical Software Components RTS00066, Boston College Department of Economics.
- Tom Doan, . "GLSDETREND: RATS procedure to perform local to unity GLS detrending," Statistical Software Components RTS00077, Boston College Department of Economics.
- BAI, Jushan & PERRON, Pierre, 1998.
"Computation and Analysis of Multiple Structural-Change Models,"
Cahiers de recherche
9807, Universite de Montreal, Departement de sciences economiques.
- Jushan Bai & Pierre Perron, 2003. "Computation and analysis of multiple structural change models," Journal of Applied Econometrics, John Wiley & Sons, Ltd., vol. 18(1), pages 1-22.
- Altissimo, Filippo & Mojon, Benoit & Zaffaroni, Paolo, 2009. "Can aggregation explain the persistence of inflation?," Journal of Monetary Economics, Elsevier, vol. 56(2), pages 231-241, March.
- Ignazio Angeloni & Luc Aucremanne & Michael Ehrmann & Jordi Galí & Andrew Levin & Frank Smets, 2005.
"New Evidence on Inflation Persistence and Price Stickiness in the Euro Area: Implications for Macro Modelling,"
242, Barcelona Graduate School of Economics.
- Ignazio Angeloni & Luc Aucremanne & Michael Ehrmann & Jordi Galí & Andrew Levin & Frank Smets, 2006. "New Evidence on Inflation Persistence and Price Stickiness in the Euro Area: Implications for Macro Modeling," Journal of the European Economic Association, MIT Press, vol. 4(2-3), pages 562-574, 04-05.
- Ignazio Angelloni & Luc Aucremanne & Michael Ehrmann & Jordi Galí & Andrew Levin & Frank Smets, 2005. "New evidence on inflation persistence and price stickiness in the Euro area: Implications for macro modelling," Economics Working Papers 910, Department of Economics and Business, Universitat Pompeu Fabra.
- Filippo Altissimo & Laurent Bilke & Andrew Levin & Thomas Mathä & Benoit Mojon, 2006. "Sectoral and Aggregate Inflation Dynamics in the Euro Area," Journal of the European Economic Association, MIT Press, vol. 4(2-3), pages 585-593, 04-05.
- Ahrens, Steffen & Sacht, Stephen, 2011.
"Estimating a high-frequency New Keynesian Phillips curve,"
Economics Working Papers
2011,08, Christian-Albrechts-University of Kiel, Department of Economics.
- Steffen Ahrens & Stephen Sacht, 2011. "Estimating a High-Frequency New-Keynesian Phillips Curve," Kiel Working Papers 1686, Kiel Institute for the World Economy.
- Basco, Emiliano & D'Amato, Laura & Garegnani, Lorena, 2009. "Understanding the money-prices relationship under low and high inflation regimes: Argentina 1977-2006," Journal of International Money and Finance, Elsevier, vol. 28(7), pages 1182-1203, November.
- Tomás Castagnino & Laura D´Amato, 2008. "Regime Dependence, Common Shocks and the Inflation-Relative Price Variability Relation," BCRA Working Paper Series 200838, Central Bank of Argentina, Economic Research Department.
- Laura D´Amato & Lorena Garegnani & Emilio Blanco, 2008. "Forecasting Inflation in Argentina: Individual Models or Forecast Pooling?," BCRA Working Paper Series 200835, Central Bank of Argentina, Economic Research Department.
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