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Extreme cyber risks and the non-diversification trap

Type
conference paper
Date Issued
2018-08-06
Author(s)
Schnell, Werner  
Abstract
We illustrate the existence of a “nondiversification trap” (Ibragimov, Jaffee, and Walden,2009) when portfolios of cyber risk are constructed. Portfolio diversification thus does not decrease risk, but rather increases risk. Our results help to explain the current state of cyber insurance market, which is far behind the expected market volume. Many insurance companies are reluctant to offer cyber insurance on a broad scale, because (among other reasons) they anticipate the unfavorable diversification properties. We also discuss potential ways to overcome the nondiversification trap.
Language
English
Keywords
Diversification Trap
Extreme Value Theory
Cyber Risk
Risk Management
Loss Distribution Approach
HSG Classification
contribution to scientific community
HSG Profile Area
SOF - System-wide Risk in the Financial System
Event Title
ARIA 2018 Annual Meeting
Event Location
Chicago
Event Date
August 5-8, 2018
URL
https://www.alexandria.unisg.ch/handle/20.500.14171/100173
Subject(s)

finance

Division(s)

I.VW - Institute of I...

References
http://s1.goeshow.com/aria/annual/2018/conference_program_sessions.cfm
Eprints ID
255592
File(s)
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Thumbnail Image

open.access

Name

CyberRiskandNondiversification(Eling&Schnell)_v5.pptx

Size

880.67 KB

Format

Microsoft Powerpoint XML

Checksum (MD5)

12a38a5d7d36b54b54d126544d55ce2c

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