Relative PPP in the medium run

Document Type

Article

Publication Title

Journal of International Money and Finance

Abstract

This paper tests the relative purchasing power parity (RPPP) hypothesis on month-by-month, post-1972 data, and still obtains regression coefficients that are close to unity. Two methodological aspects have contributed to this encouraging result. Firstly, although all RPPP tests are vis-ˆ-vis the USA, we nevertheless exploit our a priori knowledge about the implications of these USD-based equations on PPP relations between cross-rates. So, in a sense, we use all information implicit in all cross-rates too. Secondly, we selected an instrumental variable that is specifically designed to cope with lead-and-lag effects in non-traded vs traded-goods inflation. Our estimates indicate that most lead-and-lag effects seem to occur within a six-month window. (JEL F31). © 1994.

Publication Date

1-4-1994

Volume

Vol.13

Issue

Iss.5

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