Abstract
Reinsurance is the primary source of interconnectedness in the insurance industry. As such, reinsurance connectivity provides a transmission mechanism for financial shocks and exposes insurers to contagion and potential systemic risk. In this paper, connectivity within the U.S. property-casualty (P/C) reinsurance market is modeled as a network. We extend the prior insurance network literature by modeling the network of all insurers in the market (primary insurers and reinsurers) not just primary insurers. We analyze all bilateral reinsurance counterparty relationships (domestic and foreign) of U.S. P/C insurers, and we model both intra- and inter-group transactions. Our analysis of contagion and insolvency risk reveals that even the failure of the top 10 in-degree or in-strength reinsurers with 100 percent loss given default would not lead to widespread insolvencies in the U.S. P/C insurance industry.
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