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This study aims to analyse Gulf Cooperation Council (GCC) Islamic and conventional banks’ productivity and to investigate the impact of Basel III on their productivity change. This study is conducted on 73 GCC banks (45 conventional and 28 Islamic) over the period of 2005-2015.

This study uses the data envelopment analysis-type Malmquist productivity change index and its component indexes to obtain a deep insight into the source of productivity change.

The results show that Islamic banks are less productive than their conventional counterparts. Also, the results indicate that Basel III accord has impeded the GCC banks’ productivity and this negative effect is larger on Islamic banks. However, there is scale efficiency progress in the past years that offsets the production frontier deterioration, which leads to stagnation in total productivity change for both banks.

This study differs from the previous GCC banks’ productivity studies in several ways. Firstly, it covers a recent period that includes major events such as the global crisis and focuses on the influence of Basel III accord on GCC banks’ productivity. Secondly, as opposed to the previous studies, this study will estimate the GCC banks’ productivity index and its components based on separate frontiers for Islamic and conventional banks that will ensure the homogeneity in the sample and the robustness of the results. Thirdly, this study uses a combination of parametric and non-parametric tests to confirm and check the robustness of the findings. Lastly, to the best of the knowledge of the authors, this is the first study that tries to analyse the GCC banking sector productivity around the new Basel III announcement.

This paper aims to examine the effect of state ownership on bank performance for all banks in the Gulf Cooperation Council (GCC) countries during the period 2003 – 2018, for two distinct banking systems: the conventional and the Islamic banking systems.

To achieve the goal of the study, this paper uses a mean t-test to examine the mean difference of the related variables for both banking systems, and a regression test (using the GMM method) to explore the effect of state ownership on bank performance.

The most important result of the analysis is that state ownership has a significantly positive influence on bank performance for conventional banks but not for Islamic banks, in the GCC area.

This study adds to the scarce related literature comparative empirical results with respect to the impact of ownership on the performance of two different banking systems: the conventional system and the Islamic banking system in the GCC area. This study is likely to have implications for policymakers in terms of developing rules relevant to the governance of GCC’s two banking systems that can help to support the stability of the whole banking sector.

This study aims to extend the literature by simultaneously investigating the relationship between risk, efficiency and capital in the Gulf Cooperation Council (GCC) dual banking system.

The study employs the simultaneous-equation modeling technique with a three-stage least square estimator on 60 listed GCC commercial banks from 2005 through 2018.

Although GCC Islamic banks are more capitalized and liquid, they are riskier and less efficient than GCC conventional banks. Moreover, a higher level of capital reduces the insolvency and credit risk of GCC banks for both types of banks. However, it enhances the cost efficiency of GCC conventional banks only. GCC conventional banks also exhibit skimping behavior, while for GCC Islamic banks, cost efficiency is negatively associated with bank risk. This implies that the risk-taking behavior in Islamic banks is prompted by the incentives of the shareholders following the risk-sharing nature of Islamic banking.

This study differs from previous studies in many aspects. First, it relies on a recent long data set that covers the implementation of the accords of Basel II (introduced in 2004) and Basel III (introduced in 2010). Second, it estimates the efficiency of GCC banks based on separate frontiers for Islamic and conventional banks, ensuring the robustness of the results. In conclusion, to the best of the author's knowledge, this is the first study to investigate the intertemporal relationship between risk, efficiency and capital in the GCC dual banking industry.

The purpose of this paper is to examine the impact of the Yemen War on banking services (deposits and loans) at the aggregate and at the level of conventional and Islamic banks in GCC countries. The author also tests hypotheses of direct and indirect impacts of the Yemen War on bank services.

The sample comprises a total of 70 banks (45 conventional and 25 Islamic banks) over the period 2000–2018. The static and dynamic panel generalized methods of moments (GMM) estimation techniques are applied.

Empirical results indicate that the Yemen War has a significant negative direct impact on deposits and loans of GCC banks. The results lend support for the direct channel hypothesis, but not for the indirect channel hypothesis. The negative direct impact is most prominent on banks in GCC countries that are directly involved in the Yemen War, although the war has an asymmetric effect on conventional and Islamic banks, the former being more vulnerable. The overall conclusion is that the Yemen War exerts an asymmetric impact on the GCC region, across both banks and countries.

These results are a warning to policymakers to be cautious when formulating a strategy for macroeconomic stability.

It is widely recognized that the Yemen War has a significant impact on the economies of the GCC countries. However, the possible impact of the war on GCC bank services has not so far been subjected to robust empirical analysis. This paper therefore seeks to fill this gap by providing an in-depth quantitative analysis of this impact. It distinguishes between direct and indirect channels through which the Yemen War may affect bank services. It is also the first to examine the asymmetric impact of the Yemen War on the GCC region, across both banks (Islamic and conventional banks) and countries (whether or not involved in the war). The study uses both static panel and dynamic panel GMM estimation techniques to analyze the data.

The purpose of this paper is to check if there is a procyclical lending behaviour in dual banking systems of the Golf Cooperation Council (GCC) countries. The study also tries to control for the role of Islamic banks in amplifying or mitigating the procyclicality of dual banking systems.

Estimation of a dynamic panel model using annual observations on a sample of 81 banks based in the GCC countries between 2005 and 2018. The study uses two business cycle indicators as dependent variables, namely, output gap and oil price gap.

The system generalilzed method of moments (GMM) estimator and robustness checks confirm the procyclical lending pattern of dual banking systems in the GCC. Estimation outputs also indicate that this procyclicality is more pronounced during economic slowdowns. However, it is found that Islamic banks’ lending is less procyclical, giving support for the stability view of Islamic banking systems. The authors think that the implementation and conduct of macroprudential policies are very challenging for banking authorities when Islamic banks and conventional banks operate under the same regulatory framework.

The research paper may suffer from some limitations. Indeed, exploring panel data instead of country-case data may lead to a problem of heterogeneity that may underpin the credibility of the econometrical estimations. To deal with this problem by introducing a set of bank-specific and time-specific dummies. Furthermore, small N samples (N = number of individuals) may affect the reliability of the tests for the validity of instruments and autocorrelation used under the GMM estimator, leading to inefficient results. Consequently, the number of selected banks is extended as much as possible (81 banks), becoming important comparing to the time dimension of the panel.

Policymakers and regulators are incited to embed the perspectives of Islamic finance regarding lending cyclicality in dual banking systems, which promote the efficiency of resource allocation to the financing of assets and by consequence enabling financial stability. The stability view of the Islamic banking system could prompt policymakers and regulators to encourage the implementation and development of Islamic banks.

The present paper tries to overcome the lack of empirical studies on the procyclicality of dual banking. The study contributes to this novel literature in two ways. First, it focuses exclusively on GCC banking systems. In fact, compared to other emerging markets, business cycles characterizing GCC are specific because of the role played by the oil and gas revenues in the economic growth and financial system is crucial. Second, this paper brings into evidence the procyclicality of GCC banking systems also when the oil price is taken as a business cycle indicator.

The purpose of this paper is to explore the intellectual capital (IC) performance of banks in Gulf Cooperation Council (GCC) countries and to empirically investigate if IC has an impact on financial performance as well as to identify the IC components that may be the drivers of the traditional indicators of bank success.

The empirical data are drawn from banks’ annual reports over the three-year period of 2008 to 2010. Ordinary least squares regression analysis is constructed to examine the relationships between IC and the banks’ financial performance indicators. Pulic’s value-added intellectual coefficient method (VAIC) is applied to measure IC performance.

Empirical findings, after controlling for bank size and global financial crisis, indicate that IC is positively associated with bank financial performance indicators in all GCC countries. However, when VAIC is split into its three components, the relationships between these components and bank financial performance indicators are varied.

The main limitation of this study is the use of IC measurement model. Its basic advantage (simplicity and ease of use) is also its main limitation. The main problem is measuring the contribution of something which is not physical and cannot be easily quantified. The key issue is that the value created by IC is indirect. However, at present, no perfect solution is available for intellectual capital measurement, as the area is still exploring the best possible solutions.

The results may extend the understanding of the role of IC in banking sector in GCC region and may give inputs to managers of GCC banks to structure relevant strategies to obtain, utilize, develop and retain IC. The findings also could help policy makers in GCC to formulate and implement policies for establishing a resilient banking sector.

This study adds to the literature by extending the knowledge of IC performance and its utilization for increasing the financial performance of GCC banks. There has only been one previous empirical study that explores the IC and its relationship with the traditional measures of bank performance in GCC region (only in Bahrain). It is the first comparative study across GCC countries.

This study aims to investigate whether quality of governance (QoG), trustworthiness and confidence impacted bank credit growth in Gulf Cooperation Council (GCC). In addition, it examined whether credit growth differed between Islamic and conventional banks in GCC countries.

Using data from 104 (56 conventional banks and 48 Islamic banks) banks located in GCC countries from 2012 to 2019, the two-step system generalized method of moments estimator was used to analyse the data.

Evidence was found of the influence of trust in institutions in boosting credit growth. The QoG generally expanded credit growth which instilled confidence in the economy and the banking sector. Credit growth was more pronounced for Islamic banks. This paper has contributed to the literature evaluating the determinants of credit growth in GCC.

This paper has been one of the few studies exploring the effect of trustworthiness and confidence (informal institutions) and macro governance (formal institutions) in GCC. GCC is different from other regions, as it is oil-dependent and shares similar legal, social and cultural aspects. This suggested that these might yield different results than expected.

The purpose of this paper is to investigate the effect of revenue diversification, non-interest income and asset diversification on the performance and stability of the Gulf Cooperation Council (GCC) conventional and Islamic banking systems.

The authors implement a panel of 69 conventional and Islamic banks listed in six GCC markets over the period of 2003–2015, using the System Generalized Method of Moments methodology.

Non-interest income diversification has a negative impact on GCC banks’ performance, while asset-based diversification affects banks performance positively. However, Investors tend to penalize the value of the banks’ assets, which are highly diversified. Government intervention, lack of competition, legal protection and high control of Central banks on GCC banks’ have positive impact on performance. Contrary to the results on conventional banks, asset diversification adds value to Islamic banks. Overall, both banks’ revenue and non-interest diversification have negative impact on GCC banks’ stability, while asset diversification improves Islamic banks’ stability.

The analysis is limited to a sample of banks, which are listed in the GCC stock exchanges. The lack of data on private and foreign banks operating in the region made the analysis and, consequently, the results specific to shareholding companies. Also, the authors’ measures of bank stability might not be appropriate to use for Islamic banks, given their banking models implemented.

Research results provide important implications for regulators, bank managers and policy makers, as to the expected ways to support economic diversification through bank diversification strategies.

Unlike related studies, the authors’ sample of homogeneous banks has a market structure that is different from the samples in the literature covering either developed countries or heterogeneous samples from both developed and developing countries. Furthermore, using an efficient econometric methodology, the authors deal with two types of banks: conventional banks and Islamic banks. The research determines which type of bank is more able to benefit from different types of diversification. Unlike previous research, this research explores the sensitivity of the results both to the regulatory environment of the GCC market and to general market conditions.

This paper aims to investigate the efficiency level of Gulf Cooperation Council (GCC) banks on technical efficiency (TE), pure technical efficiency (PTE) and scale efficiency (SE). Both PTE and SE represent the potential factors that influence the efficiency of the GCC banks. In total, 43 GCC banks were observed in this study over the period from 2007 until 2011.

The Data Envelopment Analysis, a non-parametric method using variable returns to scale under Banker, Charnes and Cooper model, was used with assets and deposit (as input) and loan and income (as output).

On average, the results show that many GCC banks are operating within an optimal scale of efficiency. Nevertheless, the results also show managerial inefficiency in the use of resources. Furthermore, the results indicate that, while the larger banks (the 22 largest) tend to operate at constant returns to scale (CRS) or decreasing returns to scale, the smaller banks (the 21 smallest) are susceptible to operate at either CRS or increasing returns to scale.

Because of the chosen research method, the results may lack generalisation. Therefore, researchers are encouraged to test the propositions further. An additional implication of the results is that it was able to identify some banks that may become potential targets for outside acquisition.

The findings should be useful to banks in the GCC in increasing their efficiencies and recognizing those with a potential for outside acquisition.

The findings are valuable because they will facilitate the maintenance of efficient banks in the GCC. This is necessary to enable the countries to maintain a healthy and sustainable economy.

This paper aims to examine the effect of bank-specific, financial structure and macroeconomic factors on the risk-taking behavior, stability and profitability of banks in Gulf Cooperation Council (GCC) economies during 1998–2017.

The authors use a two-step system generalized method of moments dynamic model to analyze the data.

The results show that non-traditional activities increase the risk and decrease the stability and profitability of banks that are highly capitalized, highly liquid and large. Banks in this group are less engaged in securities investments and their higher degree of loan exposure leads to a decrease in risk and an increase in their stability and profitability. Higher concentration increases the risk and decreases the stability and profitability of banks that are less capitalized, less liquid and small. Banks with a higher share of non-traditional activities are riskier and less stable and less profitable before the financial crisis. The study finds that banks with relatively higher capitalization and high lending growth rates are riskier, profitable and less stable during the crisis. Larger commercial banks are less risky and more stable and profitable than smaller banks before the global financial crisis. Islamic banks performed better in terms of fee income, capitalization, liquidity, asset quality and have higher market concentration than conventional banks.

The study provides the first comprehensive empirical evidence on the drivers of risk-taking behavior, stability and profitability of the GCC banks. It also investigates the differences across these variables based on the characteristics of financial strength such as capitalization, liquidity and size; before, during and after the financial crisis; and differences between Islamic and conventional banks.