2006
DOI: 10.1111/j.1468-0084.2006.00460.x
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Convergence of Prices and Rates of Inflation*

Abstract: We consider how unit-root and stationarity tests can be used to study the convergence of prices and rates of inflation. We show how the joint use of these tests in levels and first differences allows the researcher to distinguish between series that are converging and series that have already converged, and we set out a strategy to establish whether convergence occurs in relative prices or just in rates of inflation. Special attention is paid to the issue of whether a mean should be extracted in carrying out t… Show more

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Cited by 169 publications
(29 citation statements)
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“…It has been shown that the KPSS test without constant has power against a stationary process with a non-zero mean, as well as, against a non-stationary process (Busetti and Harvey, 2002 have replaced the mean of the differences between the two series by the last value of the differenced series to test whether our data are converging. According to Busetti et al (2006), the subtraction of the last observation is a possible way of enhancing the power of the ADF test. Also, we have chosen 5 as a maximum number of delayed terms.…”
Section: Resultsmentioning
confidence: 99%
“…It has been shown that the KPSS test without constant has power against a stationary process with a non-zero mean, as well as, against a non-stationary process (Busetti and Harvey, 2002 have replaced the mean of the differences between the two series by the last value of the differenced series to test whether our data are converging. According to Busetti et al (2006), the subtraction of the last observation is a possible way of enhancing the power of the ADF test. Also, we have chosen 5 as a maximum number of delayed terms.…”
Section: Resultsmentioning
confidence: 99%
“…Apart from Beck et al (2009), other works also report regional inflation convergence. For instance, Busetti et al (2006) conduct an analysis of the price level and the inflation rate for the monthly series of the CPI in 19 Italian regional capitals over the 1970-2003 period, concluding that the convergence process is stronger for the inflation rate. Gozgor (2013) also observes convergence in Turkish regional inflation rates (period 2004-2011).…”
Section: Disinflation and Inflation Convergence Within A European Conmentioning
confidence: 99%
“…Cechetti et al (2002), for instance, found a unit root in US city price levels with an implied half-life of 9-10 years over a very long sample period. According to Busetti et al (2006) three quarters of price levels across Italian regional capitals are not converging. Dayanandan and Ralhan (2005) estimate CPI half-lives of 7-8 years for Canadian provinces and cities.…”
Section: Regional Price and Income Variationmentioning
confidence: 99%