Bank Consolidation: Efficiency Gains vs. Systemic Risk
This paper analyzes the successive waves of consolidation among financial institutions in the United States, exploring both the drivers and consequences of merger and acquisition activity in the banking sector. It traces how deregulation — particularly the repeal of the Glass-Steagall Act in 1999 — enabled commercial and investment banks to merge, generating economies of scale and improved consumer access while simultaneously creating dangerous concentrations of systemic risk. Drawing on evidence from the 2008 financial crisis and a comparison with Canada's more regulated banking system, the paper argues that while intra-sector consolidation can benefit consumers, cross-sector mergers between retail and investment banks tend to produce misallocations of risk that ultimately burden taxpayers.
- Introduction: Drivers of Financial Consolidation: Common factors driving mergers in financial services
- Deregulation and the Repeal of Glass-Steagall: How deregulation enabled cross-sector bank mergers
- Consumer Benefits of Bank Consolidation: Scale, access, and efficiency gains for consumers
- Systemic Risks and the 2008 Financial Crisis: Risk misallocation, securitization, and crisis consequences
- Conclusion: Weighing the Costs and Benefits: Conditional judgment on intra- vs. cross-sector consolidation
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What makes this paper effective
- Uses a clear comparative framework, contrasting the US and Canadian banking systems to illustrate the real-world consequences of different regulatory approaches.
- Grounds the argument in concrete historical events — the repeal of Glass-Steagall and the 2008 financial crisis — rather than relying on abstract theory alone.
- Balances the analysis by presenting both the genuine consumer benefits and the serious systemic risks of consolidation before drawing a nuanced conclusion.
Key academic technique demonstrated
The paper demonstrates cause-and-effect argumentation within a policy analysis framework. It traces a regulatory change (Glass-Steagall repeal) through its economic mechanisms (cross-sector mergers, securitization, risk misallocation) to its outcomes (lending crisis, government bailouts), supporting each link with cited evidence. This chain-of-causation structure is a hallmark of effective economics and finance writing.
Structure breakdown
The paper opens by establishing general drivers of consolidation common to all industries, then narrows to financial-sector-specific deregulation. It moves through consumer benefits before pivoting to risks and crisis evidence. The conclusion synthesizes both sides, offering a conditional judgment: intra-sector consolidation can be beneficial, but cross-sector consolidation carries systemic dangers. Each paragraph advances the argument rather than merely adding information.
Introduction: Drivers of Financial Consolidation
Successive rounds of consolidation among financial institutions have been attributed to a number of factors. Most of these factors are fairly common in merger and acquisition activity, so in that sense the financial services industry is not unlike other industries. Efficiency improvements are one key driver; increases in market power, diversification of revenue streams, and lowering risk are all factors commonly cited in such mergers (Berger, Demsetz & Strahan, 1999).
Deregulation and the Repeal of Glass-Steagall
Successive waves of deregulation allowed for a much greater degree of consolidation. First, banks were permitted to operate across state lines, which enabled the growth of national-level retail banks in the United States. By 1999, the Glass-Steagall Act was repealed. This Act had created a separation between commercial banks and investment banks. With that restriction eliminated in 1999, further consolidation followed as these two types of financial institutions began to explore mergers and acquisitions as a means of further diversification (Investopedia, 2014).
Consumer Benefits of Bank Consolidation
For banks, the ability to merge has allowed them to grow substantially larger. Several retail banks have been able to expand into very large — in some cases nearly national — institutions. The increase in scope has given them greater access to capital, greater economies of scale, and, for the consumer, better access to nationwide service. By the 1990s, it had become evident that the fragmented nature of the US banking industry was doing consumers a disservice: other nations were innovating because their banks had scale. US consumers have benefited from being able to keep their bank accounts when they move across the country, and from having much greater access to services.
Conclusion: Weighing the Costs and Benefits
The evidence from recent US activity suggests that consolidation within a particular banking sector is generally good for consumers, at least to the extent that the industry maintains a low HHI, because it allows for the creation of scale advantages and enables banks to operate across state lines. While the growth of financial institutions operating in multiple financial industries is not inherently bad for consumers, it took very little time after the repeal of Glass-Steagall for the largest financial crisis since the Act's creation to unfold. In practice, consolidation between investment and retail banks tends to create the sort of misallocation of risk that is detrimental to the interests of consumers — particularly in times of crisis — and is certainly detrimental to taxpayers, who ultimately end up underwriting the financial system.
References
Berger, A., Demsetz, R., & Strahan, P. (1999). The consolidation of the financial services industry: Causes, consequences and implications for the future. Journal of Banking and Finance, 23, 135–194.
D'Souza, C., & Lai, A. (2010). The effects of bank consolidation on risk capital allocation and market liquidity. Bank of Canada. Retrieved December 7, 2014, from http://www.bankofcanada.ca/wp-content/uploads/2010/09/dsouza-lai.pdf
Investopedia. (2014). Glass-Steagall Act. Retrieved December 7, 2014, from http://www.investopedia.com/terms/g/glasssteagallact.asp
World Bank. (2012). Rethinking the role of the state in finance. Retrieved December 7, 2014, from http://siteresources.worldbank.org/EXTGLOBALFINREPORT/Resources/8816096-1346865433023/8827078-1346865457422/GDF2013Report.pdf
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