Non-linearity and the Purchasing Power Parity Hypothesis for Exchange Rate JPY/USD

Joanna Bruzda and Koźliński Tomasz ()
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Koźliński Tomasz: Nicolaus Copernicus University in Toruń, Poland

Chapter 11 in Acta Universitatis Lodziensis. Folia Oeconomica nr 192/2005 - Issues in Modeling, Forecasting and Decision-Making in Financial Markets, 2005, vol. 192, pp 177-193 from University of Lodz

Abstract: In the paper we verify the purchasing power parity (PPP) hypothesis for the exchange rate JPY/USD for different time periods and price indexes. We build several forecasting models for this exchange rate including some non-linear specifications, for example the univariate BL-GARCH model and fundamental VEC models based on a long run equilibrium relationship. We have found that under some specific conditions the PPP hypothesis does hold. An adjustment process towards a long run equilibrium turned out to be of a non-linear nature. However, the impact of this adjustment on short-run dynamics of the exchange rate has a linear error correction form.

Keywords: Purchasing power parity; Forecasting exchange rates; Non-linear adjustment; Non-linear error correction models (search for similar items in EconPapers)
JEL-codes: C01 E02 F00 G00 (search for similar items in EconPapers)
Date: 2005
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Persistent link: https://EconPapers.repec.org/RePEc:ann:findec:book:y:2005:n:192:ch:11:foe

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