No abstract

PurposeThe purpose of this study is to examine the factors which affect loss provision for loans and investment in Murabaha, Musharka, and Mudarabah for banks in the Gulf Cooperation Council (GCC) region. The effect of prior period earnings, legal and statutory reserves, size of the bank, level of debt, and loan and investment to deposit ratio on the loss provisions of banks are examined for the period 2000‐2003.Design/methodology/approachTo test the factors that explain the loan loss provision and to test the income smoothing hypothesis, debt to equity hypothesis, and reserve hypothesis, a single stage regression model was developed and tested.FindingsThe results indicate that when return on assets (ROA) before tax and loss provisions for the current year is higher than the prior year ROA and the actual capital reserve is below the legal required reserve, then management is expected to increase loss provisions for the current year. This result is robust for all the years of this study.Originality/valueWhile prior research has examined the issue of the loan loss provision in USA, Japan, and Europe, no research has examined the issue of the loss provisions in the GCC region. This study demonstrates that the income smoothing hypothesis is relevant across different regulatory requirements, economic conditions, and different accounting standards. Managers of banks in the GCC region use the loss provision, among other things, to smooth earnings to achieve certain objectives.

Using a nonparametric variance ratio (VR) test, we revisit the empirical validity of the random walk hypothesis in eight emerging markets in the Middle East and North Africa (MENA). After correcting for measurement biases caused by thin and infrequent trading prevalent in nascent and small stock markets, we cannot reject the random walk hypothesis for the MENA markets. We conclude that a nonparametric VR test is appropriate for emerging stock markets, and argue that our findings can reconcile previously contradictory results regarding the efficiency of MENA markets. Copyright 2007, The Eastern Finance Association.

No abstract

No abstract

No abstract

This paper examines the martingale difference hypothesis (MDH) and the random walk hypothesis (RWH) for nine conventional and nine Islamic stock indices: Asia-Pacific, Canadian, Developed Country, Emerging, European, Global, Japanese, UK, and US. It investigates whether Islamic stock indices are more, less, or as efficient as their conventional counterparts. We test four sub-periods of bullish and bearish stock markets, together with the financial meltdown and its recovery, over the period 1997-2012. We use the Escanciano and Lobato's (2009) automatic portmanteau test (AQ) and Deo's (2000) test for the MDH. We also apply the automatic variance ratio test (AVR) developed by Choi (1999) and Kim (2009) for the RWH. Over the period from 1997 to 2012, we find that three conventional indices (Europe, Japan, and UK) are efficient, but that none of the Islamic indices are efficient in these markets. During the recent financial crisis, our results indicate slightly more efficiency for the Islamic indices than their conventional counterparts. Our study finds that overall the conventional indices are more efficient than their Islamic counterparts. Nevertheless, during periods of general downturns the Islamic indices have shown the same level of efficiency as their counterparts. Furthermore, it appears that during the last two sub-periods under study, the Islamic indices have moved towards efficiency, displaying the same level of efficiency as their counterparts.

No abstract