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Transparency and Collateral: The Design of CCPs' Loss Allocation Rules
This paper adopts a mechanism design approach to study optimal clearing arrangements for bilateral financial contracts in which an assessment of counterparty risk is crucial for efficiency. The economy is populated by two types of agents: a borrower and lender. The borrower is subject to limited commitment and holds private information about the severity of such lack of commitment. The lender can acquire information at a cost about the commitment of the borrower, which affects the assessment of counterparty risk. When truthful revelation by the borrower is not incentive compatible, the ...
Can Broader Access to Direct CCP Clearing Reduce the Concentration of Cleared Derivatives?
In November 2008, at the height of the global financial crisis, leaders from the Group of Twenty (G20) nations, representing the world’s largest economies, convened in Washington, DC, to develop a new regulatory framework to help foster financial stability. They came out of that Washington summit with several noteworthy ideas.1 One was to strengthen over-the-counter (OTC) derivatives markets, where defaults had been serious problems during the financial crisis. In particular, G20 leaders agreed to move more of this business onto regulated exchanges and central counterparties (CCPs) as a way ...
Central Clearing and Systemic Liquidity Risk
By stepping between bilateral counterparties, central counterparties (CCPs) transform credit exposure, thereby improving financial stability. But, large CCPs are concentrated and interconnected with major global banks. Moreover, although they mitigate credit risk, CCPs create liquidity risks, because they require participants to provide cash. Such requirements increase with market volatility; consequently, CCP liquidity needs are inherently procyclical. This procyclicality makes it more challenging to assess CCPs’ resilience in the rare event that one or more large financial institutions ...
Dealers' Insurance, Market Structure, And Liquidity
We develop a parsimonious model to study the equilibrium structure of financial markets and its efficiency properties. We find that regulations aimed at improving market outcomes can cause inefficiencies. The welfare benefit of such regulation stems from endogenously improving market access for some participants, thus boosting competition and lowering prices to the ultimate consumers. Higher competition, however, erodes profits from market activities. This has two effects: it disproportionately hurts more efficient market participants, who earn larger profits, and it reduces the incentives of ...
A “Principled” Approach to International Guidance for Central Counterparties
Following the 2007?08 financial crisis, the G20 agreed to implement a clearing mandate, requiring all standardized over-the-counter derivatives to be cleared through a central counterparty (CCP). The central role of CCPs in post-crisis financial markets has increased the interest of both national authorities and international standard setters in CCP regulation.
Collateralized Debt Networks with Lender Default
The Lehman Brothers' 2008 bankruptcy spread losses to its counterparties even when Lehman was a lender of cash, because collateral for that lending was tied up in the bankruptcy process. I study the implications of such lender default using a general equilibrium network model featuring endogenous leverage, endogenous asset prices, and endogenous network formation. The multiplex graph model has two channels of contagion: a counterparty channel of contagion and a price channel of contagion through endogenous collateral price. Borrowers diversify their lenders because of the counterparty risk, ...
Supervisory Stress Testing For CCPs : A Macro-Prudential, Two-Tier Approach
Stress testing has become an increasingly important mechanism to support a variety of financial stability objectives. Stress tests can be used to test the individual resilience of a single entity or to assess the system-wide vulnerabilities of a network. This article examines the role of supervisory stress testing of central counterparties (CCPs), which has emerged in recent years. A key message is that crucial differences in CCPs? role, risk profile and financial structure, when compared to banks, are likely to require significant adaptation in the design of supervisory stress tests (SSTs). ...
Transparency and Collateral : Central versus Bilateral Clearing
Bilateral financial contracts typically require an assessment of counterparty risk. Central clearing of these financial contracts allows market participants to mutualize their counterparty risk, but this insurance may weaken incentives to acquire and to reveal information about such risk. When considering this trade-off, participants would choose central clearing if information acquisition is incentive compatible. If it is not, they may prefer bilateral clearing, when this choice prevents strategic default while economizing on costly collateral. In either case, participants independently ...
Central Clearing and Systemic Liquidity Risk
By stepping between bilateral counterparties, a central counterparty (CCP) transforms credit exposure. CCPs generally improve financial stability. Nevertheless, large CCPs are by nature concentrated and interconnected with major global banks. Moreover, although they mitigate credit risk, CCPs create liquidity risks, because they rely on participants to provide cash. Such requirements increase with both market volatility and default; consequently, CCP liquidity needs are inherently procyclical. This procyclicality makes it more challenging to assess CCP resilience in the rare event that one or ...
Optimal Bidder Selection in Clearing House Default Auctions
Default auctions at central counterparties (or 'CCPs') are critically important to financial stability. However, due to their unique features and challenges, standard auction theory results do not immediately apply. This paper presents a model for CCP default auctions that incorporates the CCP's non-standard objective of maximizing success above a threshold rather than revenue, the key question of who participates in the auction and the potential for information leakage affecting private portfolio valuations. We show that an entry fee, by appropriately inducingmembers to participate or not, ...