This paper investigates for-profit central counterparties, asking whether their incentives might undermine financial stability.
Such CCPs choose how much capital to hold, and set the collateral requirement for their clearing members, so as to maximise their own profits. They face a trade-off between fee income and counterparty credit risk. But a CCP's limited liability creates a misalignment between its choices and the socially optimal solution to this trade-off. In studying the factors that give rise to this misalignment, the paper derives the optimal capital regulations and examines the significant role of CCP ownership structures in safeguarding financial stability.
The model developed in this paper implies that better-capitalised CCPs set higher collateral requirements. Empirical evidence suggests that a 1% increase in a for-profit CCP's capital is associated with a 0.6% increase in its members' collateral.
Another implication, again deriving from its capitalisation and collateral choices, is that a for-profit CCP is more likely to fail than is socially optimal. By contrast, a user-owned CCP chooses to hold more capital and is therefore less likely to fail. Indeed, the data show that user-owned CCPs hold significantly more capital, on average, than for-profit CCPs do.
Optimal capital requirements are derived for different levels of the clearing fees charged by for-profit CCPs. When this fee is low, the capital requirements incentivise CCPs to demand more collateral, thus bolstering financial stability. When fees are high, capital requirements do not change a CCP's incentives but serve to boost its loss-absorbing capacity.
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