Are Nominal Exchange Rates and Price Levels Co-Integrated? New Evidence from Threshold Autoregressive and Momentum-Threshold Autoregressive Models*

• Autores: Paresh Kumar Narayan
• Localización: Economic record, ISSN 0013-0249, Vol. 83, Nº. 260, 2007, págs. 74-85
• Idioma: inglés
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• Resumen

  • The goal of this paper is to examine evidence for co-integration between nominal exchange rates for Canada, the UK, Japan, Germany, Italy and France (G6) vis-à-vis the US dollar, and the relative price ratios using monthly data over the period 1973:01 to 1997:04. Motivated by the fact that exchange rate adjustment may be asymmetric, we allowed for asymmetric adjustment in exchange rates by using the threshold autoregressive model and the momentum threshold autoregressive model. We do not find any evidence of a co-integrating relationship; hence, we fail to establish long-run purchasing power parity.