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Title: An international study of bank performance: from the perspective of sustainability and externality
Authors: Mirzaei, Ali
Advisors: Liu, G
Moore, T
Keywords: Bank competition;Bank profitability;Industry growth;Financial stability
Issue Date: 2012
Publisher: Brunel University
Abstract: The thesis assesses bank performance from two aspects: growth sustainability and the externality impact on the growth of non-financial industries. With regard to sustainability, the study considers two issues. One is financial performance with a focus on understanding what determines profitability and stability, particularly the role of market structure in generating profits. The second aspect is that of exploring what drives bank growth. Do banks grow through a competitive process or a noncompetitive one? In the context of externality, the thesis investigates whether bank competition and stability contribute to the growth of non-financial industries. The thesis starts by investigating the effects of market structure on profitability and stability using the sample data of 1929 banks from 40 countries including both emerging and advanced economies over 1999-2008. It attempts to examine which school of theories provide more explanatory power to profitability and stability in banks: the traditional structure-conduct-performance (SCP) or relative-market-power (RMP) hypotheses. The results show that a greater market share leads to higher bank profitability in favour of the RMP theory evidenced in advanced economies; however interestingly there is no evidence in support of these theories in emerging economies. Furthermore, the RMP effect appears more sustainable when compared with the SCP. This suggests that a more concentrated banking system may be more vulnerable to financial stability. Regarding the second aspect of banking sector performance, we look at an issue of competition by employing data from around 5850 banks across 49 economies during 2001-2010. We employ different industrial economics theories to estimate the degree of bank competition. The results show that bank competition varies across countries in terms of competition intensity and process. Some banks compete more intensity for efficiency and some compete less. Interestingly, all indicators show that emerging banking markets are less competitive than their counterparts in advanced economies. Furthermore, the thesis explores whether competition and stability in the banking sector can affect the growth and market structure of nonfinancial industries and hence economic growth. Empirical evidence from 23 industries for 48 emerging and advanced economies shows robustly that a more vigorously competitive and thus efficient banking sector allows financially dependent industries to grow faster through supporting small firms and new entrants that disconcentrate market structure. Policy implication is clear: competition, rather than market structure, is what we need for restructuring our banks that can help economic growth.
Description: This thesis was submitted for the degree of Doctor of Philosophy and awarded by Brunel University
Appears in Collections:Economics and Finance
Dept of Economics and Finance Theses

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