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Rethinking Capital Regulation

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If there is an event, the $10 billion will be transferred to the balance sheet of the insured bank. In section 3, we discuss capital regulation, with a specific focus on the limitations of the current system.

Agency problems and the (private) appeal of short-term borrowing

What sets collateralized loans apart in the banking context is that it is often very short term. However, when thinking about capital regulation, the critical question is whether short-term debt carries certain social costs that are not fully internalized by individual banks.

Externalities during a crisis episode

When the mark-to-market value of the portfolio falls, bank B will effectively face a margin call and may not be able to continue its loans. Unfortunately, to the extent that a significant portion of the costs are social, not private, costs, any individual bank's incentives to retain dry powder may be too weak.

Alternatives for regulatory reform

A similar market failure occurs when bank A chooses its initial capital structure in advance and must decide how much, if any, "dry powder" to retain. Difficult decisions about trade-offs are involved and these are best left to individual bank boards rather than centralized through regulation. At best, regulators should have a role in monitoring the effectiveness of the decision-making process.

The Role of Capital Regulation

The traditional view

This means that much of the regulatory effort to reduce the probability and cost of a recurrence may need to focus on modifying capital regulation. In both cases, however, the reduced-form principle is this: bank failures are bad for society, and the primary purpose of capital regulation—and the accompanying principle of prompt remedial action—is to ensure that such failures are avoided. Simply put, by increasing the economic exposure of bank shareholders, capital regulation increases their incentives to monitor management and ensure that the bank is not taking overly risky or otherwise value-destroying actions.

To the extent that banks see their own capital as more expensive than other forms of financing, a "flat" (non-risk-based) capital regulation regime inevitably introduces the potential for distortion, because it imposes the same increase in the cost of capital on all types of assets. In such a case, risk-based capital regulation means giving a bank with a certain amount of dollar capital a "risk budget" that can be spent on either AAA-rated assets (at a low price), A-rated assets (at a higher price), or B-rated assets (at an even higher price). A final premise behind the traditional view of capital regulation is that it forces troubled banks to seek reauthorization from the capital market in order to continue operating.

Problems with the traditional mindset a. The limits of incentive alignment

Unfortunately, as we described above, this also generates negative consequences for the economy: not only is there a reduction in credit to customers of the troubled bank, there is also a fire sale effect that depresses the value of other institutions' assets, thus forcing them into a similar contractionary adjustment. Any command-and-control regime of regulation creates incentives to circumvent the rules, that is, for regulatory arbitrage. A final limitation of the traditional capital regulation mindset is that it simply takes for granted that equity capital is more expensive than debt, but does not attempt to understand the root causes of this wedge.

This would reduce the burden on economic growth associated with capital regulation, as well as reduce the incentives for regulatory arbitrage. If this diagnosis is correct, it suggests that rather than asking banks to carry expensive additional capital all the time, perhaps we should consider a contingent capital arrangement that only channels funds to the bank in those bad states of the world where capital is particularly scarce, where the market closely monitors bank management, and therefore where excess capital is least likely to be a concern. See European Central Bank (2008) for a detailed description of the role of structured financial products in propagating the initial subprime shock.

Principles for Reform

Don’t just fight the last war

Recognize the costs of excessive reliance on ex ante capital

A more sophisticated variant involves increasing the ex-ante capital requirement, but at the same time pre-commitment to relax it in a bad state of the world.19 The capital requirement can for example be increased to 10%, with a provision that it will be reduced to 8%. At the same time, since crises are by definition rare, this approach has more or less the same impact on the expected cost of funding to banks as simply increasing capital requirements in an unconditional manner. In particular, if a crisis occurs only once every ten years, then in the other nine years it seems indistinguishable from a regime with higher unconditional capital requirements.

Accordingly, any adverse effects on the general level of intermediation activity, or on incentives for regulatory arbitrage, are likely to be similar. If one is therefore interested in finding a balance between: i) improving outcomes in crisis conditions, and ii) promoting a vibrant and non-distorting financial sector in normal times, then even time-varying capital requirements are an imperfect tool. According to Fernández-Ordóñez (2008), Spanish banks "had healthy provisions for loan losses (1.3% of total assets at the end of 2007, and this despite bad loans being at historically low levels.)" In 2008, the Spanish economy slowed, and loan losses are expected to rise, so time will tell if this dynamic policy changes.

Anticipate ex post cleanups; encourage private-sector recapitalization

Of course, ad hoc government intervention of this kind is likely to leave many people deeply uncomfortable, and for good reason, even in the presence of a well-defined externality. If, for example, there are to be significant fiscal transfers in an effort to recapitalize a banking system in crisis, there will inevitably be a certain level of discretion in the hands of government officials as to how these transfers are distributed. In our view, a better approach is to accept in advance that there will be a need for recapitalization during some crisis states and to "pre-wire" things so that the private sector- . rather than the government—is obliged to recapitalize.

In other words, if the fundamental market failure is insufficiently aggressive recapitalization during crises, regulation should seek to speed up the process of private sector recapitalization. This is distinguished from both: i) the government directly involved in recapitalization via transfers; .. ii) require private firms to hold more capital ex ante.

A Specific Proposal: Capital Insurance

The basic idea

Before we say anything further about this proposal, we want to make it clear that it is intended to be only one element in what we anticipate will be a broader reform of capital regulation in the coming years. For example, the scope of capital regulation is likely to expand to include investment banks. Our insurance proposal is in no way intended to be a substitute for these other reforms.

To make the policy default-proof, the insurer (we're thinking of a pension fund or sovereign wealth fund) would initially put $10 billion in government bonds into a escrow. If there is no event during the life of the policy, the $10 billion would be returned to the insurer, which would also receive the insurance premium from the bank as well as the interest paid by the Treasury. Thus, from the insurer's perspective, the policy will look like an investment in a defaultable "catastrophe" bond.

The economic logic

In the case of direct equity issuance, the $10 billion goes directly onto the bank's balance sheet immediately, giving the bank full access to these funds immediately, regardless of how the financial sector performs afterward. And most importantly, in such states, the bank's marginal investments are more likely to create value, especially when evaluated from a social perspective. Of course, this will also depend on how the bank is allowed to amortize the cost of the policy.

One way for the bank to insure against default would be to finance itself with 90 from debt and 10 from equity. If investors worry that this cash will lead to mismanagement and waste in good times, they will discount the bank's stock. At the same time, the agency problem is weakened because after paying off its debt, the bank now has less cash to squander in the good (10, rather than 20).

Design

To partially overcome this problem, it can be helpful for any bank to have a range of policies with staggered terms so that only a fraction of the insurance needs to be replaced each year. Due to the high-water feature, payouts in this quarter are also zero, although cumulative losses over the previous four quarters remain high. However, since the purpose of the insurance is to guarantee a relatively rapid recapitalization of the banking sector, a property of.

In the spirit of the traditional approach to capital regulation, the firm-specific approach does a more complete job of reducing the likelihood of distress for each individual institution. Second, the magnitude of the moral hazard problem associated with capital insurance is likely to depend on how the trigger is set, i.e. This logic suggests that with an intelligently designed trigger, the magnitude of the moral hazard problem need not be disproportionately large.

Conclusions

Allen, Franklin og Douglas Gale, (2005), "From Cash-in-the-Market Pricing to Financial Fragility", Journal of the European Economic Association 3, 535-546. Jurek og Erik Stafford, (2008b), "Re-Examining The Role of Rating Agencies: Lessons From Structured Finance", Journal of Economic Perspectives, kommende. Dudley, William C May You Live in Interesting Times”, bemærkninger i Federal Reserve Bank of Philadelphia, 17. oktober.

Gromb, Denis, and Dimitri Vayanos, (2002), “Equilibrium and well-being in markets with financially constrained arbitrageurs,” Journal of Financial Economics. Stein, (2004), “Cyclic Implications of the Basel II Capital Standards,” Federal Reserve Bank of Chicago Economic Perspectives 28, 18-31. Majluf, (1984), “Corporate Finance and Investment Decisions When Firms Have Information Investors Do Not,” Journal of Financial Economics.

Figure 1: Progress Towards Recapitalization by  Global Financial Firms
Figure 1: Progress Towards Recapitalization by  Global Financial Firms

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Figure 1: Progress Towards Recapitalization by  Global Financial Firms
Figure 2:  Hypothetical Capital Insurance Payout Structure  In this example, Bank X purchases $10 billion in total coverage

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