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The power to control

Understanding something of the complexity of a financial network is one thing, influencing the behaviour of that system is another. But new tools from network science define a notion of 'controllability' that, coupled with 'centrality', could prove useful to economists and financial regulators.

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Figure 1: TARGET2 represented as a 'bow-tie' diagram9.
Figure 2: Transactions of the Italian electronic interbank market e-MID.

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Acknowledgements

The authors acknowledge support from the European FET Open Project FOC 'Forecasting Financial Crises' (No. 255987) and from the Working Group on Networks and Systemic risk, part of the Institute for New Economic Thinking's Financial Stability Research Program.

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Correspondence to Marco Galbiati.

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Galbiati, M., Delpini, D. & Battiston, S. The power to control. Nature Phys 9, 126–128 (2013). https://doi.org/10.1038/nphys2581

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