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Abstract "We show how to do systemic risk attribution in a network model of contagion with interlocking balance sheets, using the Shapley and Aumann-Shapley values. As a preliminary, we extend portfolio risk attribution to risk attribution for a single firm with a balance sheet. Along the way, we establish new results on sensitivity analysis of the Eisenberg-Noe network model of contagion, featuring a Markov-chain interpretation. We illustrate the design process for systemic risk attribution methods by developing several of them."

Additional Nematrian Commentary This paper expands traditional risk management attribution approaches to cover systemic risk, referring to the Shapley and Aumann-Shapley values when doing so.

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