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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 explore the explanations of “information effect” and “agency effect” of corporate diversification with cross-industry knowledge under a crisis situation.

Based on an event study of 203 public companies’ crises in China between 2008 and 2018, the authors verify the information and agency effects of corporate diversification under a crisis situation by, respectively, examining the effects of interactions of corporate unrelated diversification with corporate transparency and knowledge deficiency attribution on the stock market’s responses to the crises.

It is found that corporate unrelated diversification serves as a buffer in protecting firm value while attribution of knowledge deficiency can be a burden. The buffering effect is stronger when the corporate transparency is higher but weaker when the crisis is attributed to be caused by corporate tacit knowledge deficiency.

Unrelated diversified firms should strengthen information communication with stakeholders so as to break down the stakeholders’ cross-industry knowledge barriers, and thus protect their own value at the crisis’ onset. Also, they can further buffer the loss by reducing stakeholders’ perceptions of the corporate tacit knowledge deficiency revealed in the crisis.

This study is the first to illustrate that the information and agency effects of corporate diversification strategy can be partially explained under a crisis situation, which provides meaningful insights about how firms can conduct knowledge management in their daily operations to deal better with corporate crises.

Professional football clubs have increasingly initiated two corporate diversification strategies to enfold growth opportunities besides traditional income sources: business diversification and international diversification. Empirical findings from management and sport management literature provide inconclusive evidence on these strategies' financial performance effects, necessitating further research. The purpose of this article is therefore to investigate how both corporate diversification strategies affect the financial performance of professional football clubs.

A 15-year panel data set of English Premier League (EPL) clubs is examined, many of which have employed corporate diversification strategies. Measures for related business diversification (RBD) and unrelated business diversification (UBD) as well as international diversification are established from management literature. Based on fixed effects regression models, their effects on clubs' revenues and profitability are then examined.

U-shaped effects from RBD on revenues and profitability are found, but no effects from UBD. These findings empirically support the theoretically appealing superiority of RBD over UBD and, with increasing levels of RBD, over a focused strategy in management literature. With international diversification, an inverted U-shaped effect on revenues is identified.

Despite focusing only on the EPL, these findings provide new evidence of non-linear financial performance effects from corporate diversification strategies adding to (sport) management literature and setting the stage for future research on these strategies in professional football.

These findings have significant implications for club managers' strategic growth opportunities such as new business models or geographic markets.

This is the first study to empirically examine the financial effects of corporate diversification strategies in the football market context.

The purpose of this paper is to theorize and empirically examine the effects of intra- and inter-regional geographic diversification on firm performance in China. Furthermore, it investigates they key firm capabilities, which moderate the relationships between intra- and inter-regional geographic diversification and firm performance.

In this research, the authors studied 366 listed companies that invest in mainland China. The authors used the Taiwan Economy Journal database to construct a panel data set from 2005 to 2014 and employed panel regression estimations as part of the empirical analyses.

The authors find that the effect of regional diversification on firm performance is significantly influenced by the contexts of the expansion. More specifically, the results show that the effect of intra-regional geographic diversification on firm performance takes the form of a U-shape relationship. In contrast, the authors find that inter-regional geographic diversification has a negative effect on firm performance. Firm marketing, research and development (R&D) and managerial capabilities moderate these relationships.

First, the companies studied in this research are mainly Taiwanese manufacturers with investments in mainland China. Second, the current model can be expanded by exploring additional process explanations and moderators in future research.

An important practical implication of this research is that when firms choose an intra-regional expansion strategy in China, they should adopt a moderate provincial diversification strategy in the invested region and reinforce its marketing capability to enhance firm performance. A careful consideration of a firm’s marketing, R&D and managerial capabilities is needed for successful regional diversification strategies in the China market.

The findings of this study contribute significantly to the existing literature on firms’ regional diversification. First, the authors explore and empirically test intra- and inter-regional geographic diversification strategies in China. The authors find that the effect of regional diversification on firm performance varies according to the contexts of the expansion (for instance, global, regional, in a single country). Second, this study furthers the research theme of intra- and inter-regional diversification by introducing and investigating previously unexplored firm capabilities as part of the framework.

Merging two real estate investment trusts (REITs) consolidates two real estate portfolios. The purpose of this paper is to provide further evidence on the market’s valuation of property type and geographic diversification of REITs by looking at the diversification impact of mergers involving domestic REITs in the Modern REIT era (post 1992).

The authors classify equity REIT mergers according to whether they maintain portfolio focus or alter their focus with respect to the geography and property type distribution of the underlying real estate. Then, using a domestic REIT index, the authors examine abnormal returns around the merger announcement to ascertain how portfolio changes affect value.

Although the results show no abnormal returns to the combined REIT for the 126 mergers in the sample, mergers that maintain geographic focus and alter the property focus contribute positively to the abnormal returns. Acquiring REITs show negative abnormal returns for mergers that either diversify geography or maintain property focus. Target REITs earn positive abnormal returns no matter the diversification impact of the merger.

The results suggest that changes to the composition of the REIT’s property portfolio have valuation implications. The results suggest that during the modern REIT Era, property diversification created positive wealth effects for the acquirer.

This research adds to the evidence on how REIT investors value changes in the diversification of the underlying properties, and implies that the investor perception of portfolio effects from mergers may vary over time as the REIT industry expands and consolidates.

This study aims to empirically examine the relationship between industrial diversification and firm performance and the moderating effects exerted on that relationship by board size and family representation on the board.

Secondary financial data were collected for hotel firms listed on the Hong Kong Stock Exchange during the period 2005-2016. Subsequently, a bivariate correlation and a fixed-effects panel regression analysis were performed on the data.

The empirical results showed that diversification positively influenced firm performance until firms reached an optimal level of diversification (0.34); beyond that level, the effect was negative. In addition, firms with a larger board tended to show better performance when the level of diversification increased from medium to high, and firms with lower family representation on the board tended to exhibit better performance when the level of diversification increased from low to medium.

Theoretical and managerial implications are suggested in terms of balancing the size of a firm’s board and with regard to family representation on a board from the perspectives of resource dependence theory (RDT) and socioemotional wealth (SEW), the diversification of hotel firms and future research.

A limited number of studies have considered diversification as a corporate-level strategy in the hospitality field and in the unique context in which a service-oriented economy is dominant, such as in Hong Kong. The role of board composition on the diversification–performance relation has rarely been investigated theoretically and empirically. Apart from providing managerial implications for corporate governance, this study also offers theoretical generalizability, from the perspectives of RDT and SEW, to examine the moderating roles of board size and family representation on the diversification–firm performance relation.

The performance effects of product‐market and international diversification were examined in a sample of 156 U.S. corporations. Three sets of performance measures were used: (1) profitability, (2) risk‐adjusted returns, and (3) growth. Results suggest independent effects on profitability, and interactive effects on risk‐adjusted returns and growth. Results also clarify seemingly conflicting findings on product‐market and international diversification effects on performance.

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.

In this paper, we argue that the effect of diversification on performance is not homogeneous across industries, as previously assumed in the literature on diversification in strategy and finance. We provide empirical evidence that some industries are more friendly environments for diversified firms than for specialists, and vice versa. The implications of this qualification for the diversification‐performance relationship are investigated in this study. The results show that the number of specialists in an industry is an important moderator of the diversification‐performance relationship, and it determines the existence of a positive, negative, or curvilinear relationship. Diversification has a more negative impact on performance as the number of specialized firms in the industries in the sample increases. Although we find clear evidence of the curvilinear relationship between diversification and performance frequently found in strategy research, the relationship seems to be the result of not accounting for the relative dominance of diversifiers versus specialists in the industries in the sample.

The purpose of this paper is to investigate whether the presence of controlling shareholder affects the value of diversification based on Indonesian listed firms. It further examines whether the degree of controlling ownership and the types of controlling ownership matter.

Panel data were used over the period 2006-2010 with dynamic generalised method-of-moments estimations and it defined diversification as industrial diversification, international diversification or diversification in both. A few different thresholds for the control rights of the largest shareholder are also set.

The results show that industrial diversification improves firm value but international diversification does not, while diversified in both strategies discounted firm value. The presence of a controlling shareholder is found to have a significant diversification discount, and the effect is nonlinear, where the entrenchment effect occurs around 20 to60 per cent threshold of controlling across all types of diversified firms. Last, foreign firms are found to enjoy more value from industrial diversification, but it takes an adverse turn when these involve both diversification strategies. Government firms do not seem to be different from family firms.

The study shows the need to differentiate diversification strategies and account for non-linearity and ownership identity in modelling diversification value. Also, the degree of shareholders’ control can be a significant channel to address the agency issue on diversification value.

Under the backdrop of unique Indonesian corporate ownership, the presence of controlling owners is shown, and their ownership affects the value of diversification. The entrenchment effect however appears only at a certain range of ownership. This is a crucial guide for the shareholders to ensure an appropriate monitoring system is installed to maximize the shareholder’s value, especially in family firms.

The value of this paper is twofold. At first, the first empirical evidence on the diversification debate with Indonesian firms for its unique institutional setting is presented. Second, the standard modelling framework to investigate the types of ownership on diversification value is extended, which has rarely been covered in previous investigations.