DebtRank: Too Central to Fail? Financial Networks, the FED and Systemic Risk¶
Battiston, S., Puliga, Kaushik, Tasca, & Caldarelli, G. (2012). DebtRank: Too Central to Fail? Financial Networks, the FED and Systemic Risk: Too central to fail. Scientific Reports.
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Primes¶
- Systemic Risk
- The structural insight is robust: a bank, a keystone species, a substation, an infected host, and a critical supplier all exhibit the same logic — their failure matters not in proportion to their size but in proportion to how the network routes stress through them.
This sourceIntroduces a feedback-centrality measure of systemic impact showing that a node's criticality is set by its network position, not its size ("too-central-to-fail"); supports node-criticality-by-topology and the identification of system-threatening hubs.
Supported in partVerified against the work's full text
DebtRank shows for financial institutions that systemic impact tracks network centrality rather than size; the extension to species, substations, hosts and suppliers is not made.
“It is important to emphasise that there is more to DebtRank than size. The correlation between asset size and DebtRank is always lower than 0.4 and decreases towards the peak of the crisis”
- The structural insight is robust: a bank, a keystone species, a substation, an infected host, and a critical supplier all exhibit the same logic — their failure matters not in proportion to their size but in proportion to how the network routes stress through them.
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