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On the joint test of the uncovered interest parity and the ex-ante purchasing power parity

Macchiarelli, Corrado (2013) On the joint test of the uncovered interest parity and the ex-ante purchasing power parity. Review of International Economics, 21 (3). pp. 519-535. ISSN 0965-7576

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Identification Number: 10.1111/roie.12052


This study revisits the relation between the uncovered interest parity (UIP), the ex-ante purchasing power parity (EXPPP) and the real interest parity (RIP) for the UK and Japanese vs US data. The original contribution is on developing some joint coefficient-based tests, obtained by rewriting the UIP, the EXPPP and the RIP as a set of cross-equation restrictions in a vector autoregression (VAR) framework. Test results point to a “forward premium” bias in both the UIP and the EXPPP. The latter result is novel in the literature and stems from testing the PPP in expectational terms. Moreover, the results suggest a currency-dependent pattern for the UIP, contrarily to the EXPPP equation. Finally, it is shown that conditioning the VAR on M3 growth differential has important explanatory power in resolving the aforementioned biases in both the UIP and EXPPP equations for the UK vs US data. At the same time, variables having a strong forward-looking component (i.e. share prices) help recover a unitary coefficient in the UIP equation.

Item Type: Article
Official URL:
Additional Information: © 2013 John Wiley & Sons Ltd
Divisions: European Institute
Subjects: H Social Sciences > HB Economic Theory
JEL classification: C - Mathematical and Quantitative Methods > C0 - General
F - International Economics > F0 - General
Date Deposited: 02 Aug 2013 11:57
Last Modified: 16 May 2024 01:40

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