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This study aims to investigate the effect of income and asset diversification on earnings management using discretionary loan loss provisions (LLP) in banks, and the role of risk level in mediating this effect.

A sample of banks operating in Middle East and North Africa countries was used to test the mediation model of Baron and Kenny (1986) with different measures of diversification and risk.

The results show that bank income and asset diversification have unique and combined effects on earnings management. The results also support the idea that a risk-mediating effect contributes to explaining this relationship among banks. Specifically, bank diversification strategies positively affect LLP-based earnings management by increasing bank risk. This result is relevant for conventional banks. However, only a direct and positive effect of diversification strategies on LLP-based earnings management can be observed in Islamic banks, and the indirect effect is not supported.

This study extends previous research by examining the unique and combined effects of income and asset diversification strategies on earnings management in the banking sector. Specifically, it provides new evidence that diversification strategies increase LLP-based earnings management, both directly and indirectly, through bank risk.

This paper aims to investigate the effect of banking activities diversification on earnings management practices and the effect of female directors on this relationship.

Based on a sample of 122 banks operating in Middle East and North African countries from 2006 to 2018, we use dynamic panel model estimated with generalized method of moments approach to deal with endogeneity issues surrounding the diversification decision.

The results show that diversification increases earnings management and that the presence of female directors on board moderates this relationship. In particular, female managers tend to reduce earnings management practices in diversified banks. Further, diversified conventional banks appear to be more impacted on the earnings management practices than on Islamic banks.

The study extends previous research by investigating the relationship between earnings management and diversification of banking activities in emerging countries where earnings management cannot be easily detected and diversification strategy is widely used. It, also, explains this relationship via the moderating effect of female directors as a banks’ internal governance mechanism.