Please use this identifier to cite or link to this item: http://hdl.handle.net/10419/25856
Authors: 
Caporale, Guglielmo Maria
Hanck, Christoph
Year of Publication: 
2006
Series/Report no.: 
CESifo working paper 1811
Abstract: 
We analyse whether tests of PPP exhibit erratic behaviour (as previously reported by Caporale et al., 2003) even when (possibly unwarranted) homogeneity and proportionality restrictions are not imposed, and trivariate cointegration (stage-three) tests between the nominal exchange rate, domestic and foreign price levels are carried out (instead of stationarity tests on the real exchange rate, as in stage-two tests). We examine the US dollar real exchange rate vis-à-vis 21 other currencies over a period of more than a century, and find that stage-three tests produce similar results to those for stage-two tests, namely the former also behave erratically. This confirms that neither of these traditional approaches to testing for PPP can solve the issue of PPP.
JEL: 
C12
C22
F31
Document Type: 
Working Paper

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