The PPP Puzzle: An Update

Weshah Razzak

MPRA Paper from University Library of Munich, Germany

Abstract: We show that the Purchasing Power Parity (PPP) puzzle, whereby the half-life of the shock to the real exchange rate is long and unjustifiable by monetary and financial shocks, is a result of specification and estimation issues. We provide an alternative specification for PPP and show that the half-life of the shock could be as short as 6.8 months and as long as 2 years, which is considerably shorter than what have been reported in the literature.

Keywords: PPP; unit root; half-life of shocks (search for similar items in EconPapers)
JEL-codes: C13 C18 F31 (search for similar items in EconPapers)
Date: 2017-08-12
New Economics Papers: this item is included in nep-mon and nep-opm
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Persistent link: https://EconPapers.repec.org/RePEc:pra:mprapa:80774

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