This paper observes the impacts of domestic US commercial bank M&As in the 1990s on individual institutions. It shows potential changes in a bank’s risk exposure and how these can affect a merged bank’s value. It provides a theoretical consideration as well as a review of empirical studies. The result is that a merger might lead to a risk benefit. In this case, there is, c.p., potential for a value increase. Empirically, risk benefits were either absent or offset by managers’ higher risk taking.
Table of Contents
1 Introduction
2 Theoretical considerations
2.1 Potential risk effects of bank mergers
2.2 Risk effects of geographic and product diversification
2.3 The link between risk and value
2.4 Further sources of potential value gains
3 Empirical evidence
3.1 The Z-Score as a measure for the analysis of risk effects of bank mergers
3.2 Evidence on risk effects of US bank mergers
3.2.1 Direct risk effects of US bank acquisitions
3.2.2 The relationship between bank risk and size
3.2.3 Testing the “diversification hypothesis”
3.2.4 Comparison of the reviewed studies’ results
3.3 Potential impacts of diversification on value
4 Conclusion
Objectives and Topics
This paper examines the impact of domestic US commercial bank mergers and acquisitions in the 1990s on individual institutions, focusing on potential changes to risk exposure and the subsequent effect on bank value.
- Theoretical drivers of risk changes in bank mergers.
- Empirical assessment of insolvency risk using the Z-score.
- The relationship between bank size, diversification, and risk-taking.
- Comparative analysis of shareholder value effects in focusing versus diversifying mergers.
- Regulatory implications regarding systemic risk and "too big to fail" status.
Excerpt from the Book
2.1 Potential risk effects of bank mergers
Mergers can influence individual bank risk through geographic and product diversification, managerial efficiencies, operating risk, and market power rents. These impacts can be thought of as shifting a bank’s hypothetical risk-return frontier.
Higher market power through a bank merger can lead to higher price setting power and an “increase in franchise value, equivalent to an increase in capital [that] could lower the firm’s risk profile”. Market power can only be increased, if two banks operating in the same market merge, so that this potential is not likely to be available to geographically expanding mergers. Moreover, large clients have an access to many sources of funding at least in all US states, if not world-wide. Additionally, antitrust authorities tend to block or at least alter market-power increasing mergers. Therefore, market power benefits are not always possible in a bank merger.
A rise in operating risk might occur when top management is less able to supervise its employees directly because of an increase in size, thus creating opportunities for internal fraud. Expanding the product line into areas outside the acquirer’s core competence can additionally expose the merged bank to an unintended higher degree of credit and market risk. Also technological risk might increase since a greater bank is more dependent on its technological infrastructure. Especially the integration process of technological systems following a merger bears technological risk in terms of data losses and efficiency losses when employees have to become used to the new systems.
Summary of Chapters
1 Introduction: Provides an overview of US banking deregulation and the resulting consolidation wave, establishing the paper's focus on risk and value impacts of 1990s mergers.
2 Theoretical considerations: Analyzes the theoretical channels through which bank mergers influence risk, including market power, operational risks, and the potential for diversification benefits.
3 Empirical evidence: Presents the Z-score as the primary metric for insolvency risk and reviews various studies on the empirical link between bank consolidation, risk, and value.
4 Conclusion: Synthesizes the findings, noting that risk benefits from mergers are often absent or offset by increased risk-taking, and discusses the lack of clear evidence for value creation.
Keywords
Bank mergers, US banking industry, insolvency risk, Z-score, diversification hypothesis, bank value, market power, operational risk, financial consolidation, Riegle-Neal Act, systemic risk, shareholder value, asset portfolios, risk-taking, bank size.
Frequently Asked Questions
What is the core focus of this research paper?
The paper evaluates the impacts of domestic US commercial bank mergers and acquisitions occurring in the 1990s on the risk exposure and market value of the individual banking institutions involved.
What are the primary themes discussed?
The work covers theoretical risk-shifting mechanisms, empirical analysis of insolvency risk via the Z-score, the "diversification hypothesis," and the effects of bank consolidation on shareholder value.
What is the main objective of the study?
The study aims to determine whether bank mergers significantly change a bank's risk profile and if these changes lead to improved value, while also considering implications for systemic risk.
Which scientific methodology is utilized?
The paper relies on a comprehensive literature review and a comparative analysis of existing empirical studies, specifically evaluating their methodologies, data sets, and conclusions regarding bank performance and risk.
What does the main body of the text address?
It provides a theoretical review of potential risk drivers, an empirical examination of risk metrics like the Z-score, and a detailed comparison of studies investigating the link between bank size, diversification, and bank value.
Which keywords best characterize this work?
The core keywords include bank mergers, insolvency risk, Z-score, diversification, bank value, financial consolidation, and the "diversification hypothesis."
Why is the Z-score considered an appropriate risk measure?
The Z-score is used because it provides a quantitative measure of a bank's probability of insolvency based on its mean return on assets, return volatility, and equity cushion.
What is the "diversification hypothesis" mentioned in the text?
It suggests that banks might use the risk-reduction benefits provided by diversification to engage in additional, riskier activities, thereby potentially negating the expected safety gains from the merger.
What conclusion does the author reach regarding merger benefits?
The author concludes that risk benefits from mergers are generally not guaranteed and, in many cases, are either absent or offset by the tendency of management to increase risk-taking following consolidation.
- Quote paper
- Ingo Forbriger (Author), 2006, Effects of US Bank Mergers on Bank Risk and Value, Munich, GRIN Verlag, https://www.grin.com/document/61630
