Forecasting performance of logistic star exchange rate model: the original and reparameterised versions / Venus Khim-Sen Liew, Ahmad Zubaidi Baharumshah and Sie-Hoe Lau

Liew, Venus Khim-Sen and Baharumshah, Ahmad Zubaidi and Lau, Sie-Hoe (2005) Forecasting performance of logistic star exchange rate model: the original and reparameterised versions / Venus Khim-Sen Liew, Ahmad Zubaidi Baharumshah and Sie-Hoe Lau. Jurnal Akademik UiTM Sarawak. pp. 79-91. ISSN 0128-2635

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Abstract

The Exponential Smooth Transition Autoregressive (ESTAR) model is widely adopted in exchange rate studies as its symmetrical distribution matches that of symmetrical exchange rate adjustment behaviour. In contrast, another specification of the STAR model, namely the LSTAR (logistic STAR) model is discarded by most researchers in priori in their exchange rate modeling exercises due to its undesired property of being asymmetrical. This study is the first of its kind in examining the validity of this hypothesis that the ESTAR exchange rate model is superior to the LSTAR exchange rate model on the basis of forecasting accuracy. Based on the experience of the adjustment process of two nominal exchange rates, we find that the hypothesis is merely theoretical since we fail to provide consistent empirical evidence in favour of the null hypothesis. This warns us that we need not be too pessimistic on the usage of the LSTAR model in exchange rate studies. In our effort to rekindle the usage of the LSTAR model, we further reparameterized the original version into the so-called absolute version, which has symmetrical distribution properties, in accordance with the well-known symmetrical adjustment process of exchange rates. The resulting ALSTAR model has proven to be a more promising model in the sense that it has improved significantly from its original version as well as the ESTAR model, which has thus far been deemed the most appropriate nonlinear exchange rate model.

Item Type: Article
Uncontrolled Keywords: Forecasting performance; Exchange rate; Exponential Smooth Transition Autoregressive
Subjects: H Social Sciences > HB Economic Theory. Demography > Business cycles. Economic fluctuations. Economic indicators > Economic forecasting
H Social Sciences > HG Finance > Foreign exchange. International finance. International monetary system
Divisions: Universiti Teknologi MARA, Sarawak
Depositing User: Staf Pendigitalan 5
Date Deposited: 08 May 2017 03:23
Last Modified: 08 May 2017 03:23
URI: http://ir.uitm.edu.my/id/eprint/16769

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