The behavior of external debt in Asian countries: evidence based on panel unit root tests by Lau, Evan, Baharumshah, Ahmad Zubaidi, Soon, Siew Voon

“…Two major findings are noteworthy; first majority debt ratios in the Asian countries are affected by structural breaks. Second, we find unit root tests that do not accommodate breaks are less likely to detect mean reversion in the debt ratios. …”
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Assessing the mean reversion behaviour of fiscal policy: the perspective of Asian countries by Lau, Evan, Baharumshah, Ahmad Zubaidi

“…This article investigates fiscal policy sustainability in 10 Asian countries by adopting a battery of unit root tests. Univariate unit root tests reveal that the fiscal stance in these countries follows a nonstationary process while the opposite conclusion was drawn for the same dataset using the commonly employed panel unit root techniques. …”
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Purchasing power parity in African countries: evidence from panel SURADF test by Baharumshah, Ahmad Zubaidi, Lau, Evan, Nziramasanga, Mudziviri T.

“…This study reexamines the validity of long-run purchasing power parity (PPP) hypothesis using a battery of panel unit root tests for 11 developing countries in Africa over the period 1980-2007. …”
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Testing for farmer stock market-unemployment hypothesis during the COVID-19 pandemic in Malaysia by Habibullah, Muzafar Shah, Saari, Mohd Yusof, Lau, Evan, Din, Badariah, Anuar Shah, Bali Mohamad

“…In this study we test the Farmer hypothesis by using Malaysia’s daily data on stock price and unemployment rate during the COVID-19 pandemic. We performed unit root, cointegration and short-run as well long-run non-causality tests between the stock market and unemployment rate using high frequency data for the period January to October 2020. …”

Mean reversion of the fiscal conduct in 24 developing countries. by Baharumshah, Ahmad Zubaidi, Lau, Evan

“…Using annual data over the period 1970–2003 and the series-specific panel unit root test developed by Breuer et al. (Oxford Bulletin of Economics and Statistics, Vol. 64 (2002), pp. 527–546), we found the budget process for most developing countries fails to satisfy the strong-form sustainability condition. …”
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On the sustainability of current account deficits: evidence from four ASEAN countries by Baharumshah, Ahmad Zubaidi, Lau, Evan, Fountas, Stilianos

“…The analysis is based on various unit root and cointegration procedures including those allowing for a structural break to deal with the major shortcomings of previous studies. …”
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