Testing for Non-Linearity in ASEAN Financial Markets

Kian-Ping Lim and Venus Khim-Sen Liew ()
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Kian-Ping Lim: Universiti Malaysia Sabah

Finance from EconWPA

Abstract: With abounding evidence of non-linearity in financial markets of developed countries, this study attempts to narrow the gap in the literature of ASEAN countries, with a focus on the foreign exchange and stock markets. The outcomes of our econometric investigation using the Hinich bispectrum test provide strong support for the presence of non- linearity in all the ASEAN-5 exchange rates and stock returns series. Further application of the Lukkonen-Saikkonen-Teräsvirta (LST) test reinforces our conclusion that the financial time series data of ASEAN-5 exhibit non-linear dependencies. These findings, while highlighting the fact that researchers cannot take the linear assumption as granted, also point to the need to test for non-linearity as a preliminary diagnostic tool to determine the nature of the data generating process before any further empirical analysis. This study has strong implication on the empirical work of ASEAN-5 financial markets. Specifically, the results suggest the use of empirical methods that is more robust if the data generating process is non-linear.

Keywords: Non-linearity; Data generating process; Hinich bispectrum test; Lukkonen-Saikkonen-Teräsvirta (LST) test; ASEAN foreign exchange markets; ASEAN stock markets. (search for similar items in EconPapers)
JEL-codes: G12 (search for similar items in EconPapers)
Date: 2003-08-03
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