Portfolio similarity and asset liquidation in the insurance industry

  • An important assumption underlying the designation of some insurers as systemically important is that their overlapping portfolio holdings can result in common selling. We measure the overlap in holdings using cosine similarity, and show that insurers with more similar portfolios have larger subsequent common sales. This relationship can be magnified for some insurers when they are regulatory capital constrained or markets are under stress. When faced with an exogenous liquidity shock, insurers with greater portfolio similarity have even larger common sales that impact prices. Our measure can be used by regulators to predict which institutions may contribute most to financial instability through the asset liquidation channel of risk transmission.

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Author:Giulio Girardi, Kathleen W. Hanley, Stanislava Nikolova, Loriana PelizzonORCiDGND, Mila Getmansky Sherman
Parent Title (English):SAFE working paper series ; No. 224
Series (Serial Number):SAFE working paper series (224)
Place of publication:Frankfurt am Main
Document Type:Working Paper
Year of Completion:2018
Year of first Publication:2018
Publishing Institution:Universit├Ątsbibliothek Johann Christian Senckenberg
Release Date:2018/09/05
Tag:Asset Liquidation; Financial Stability; Insurance Companies; Interconnectedness; SIFI; Similarity
Issue:This Draft: July 30, 2018
Page Number:56
Institutes:Wirtschaftswissenschaften / Wirtschaftswissenschaften
Wissenschaftliche Zentren und koordinierte Programme / House of Finance (HoF)
Wissenschaftliche Zentren und koordinierte Programme / Center for Financial Studies (CFS)
Wissenschaftliche Zentren und koordinierte Programme / Sustainable Architecture for Finance in Europe (SAFE)
Dewey Decimal Classification:3 Sozialwissenschaften / 33 Wirtschaft / 330 Wirtschaft
Licence (German):License LogoDeutsches Urheberrecht