Procyclicality mechanisms in the financial system: what we know and some open questions

Robert Czech, Simon Jurkatis, Arjun Mahalingam, Laura Silvestri and Nick Vause

Financial markets reflect changes in the economy. But sometimes they amplify them too. Both of these roles were evident as the Covid-19 (Covid) pandemic materialised. As the economic outlook deteriorated, risky asset prices fell in reflection of that. And those falls were amplified as some investors reacted by liquidating assets. That also amplified increases in financing costs for companies issuing new debt or equity, which could have further damaged economic prospects. Various ‘procyclical’ mechanisms contributed to this macrofinancial feedback loop, as shown in Figure 1. This post reviews findings from research about these particular mechanisms, covering (i) how they work, (ii) how strong they are and (iii) how they might be mitigated. And, where there are gaps, it suggests new research.

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Margin call! Cash shortfall?

Marco Bardoscia, Gerardo Ferrara and Nicholas Vause

Participants in derivative markets collect collateral from their counterparties to help secure claims against them should they default. This practice has become more widespread since the 2007-08 financial crisis, making derivative markets safer. However, it increases potential ‘margin calls’ for counterparties to top up their collateral. If future calls exceed available liquid assets, counterparties would have to borrow. Could money markets meet this extra demand? In a recent paper, we simulate stress-scenario margin calls for many of the largest derivative-market participants and see if they could meet them – including because of payments from upstream counterparties – without borrowing. We compare the sum of any shortfalls with daily cash borrowing in international money markets.

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