The Global Risks Alliance (GRA)
Physical hazards, health crises, technology failures and economic shocks reach the insurance sector as claims and asset losses, and the sector transmits them onwards to reinsurers, capital markets, lenders, households and governments. This page, part of Insurance Nexus at The Global Risks Alliance (GRA), shows how real-system and financial vulnerabilities propagate through insurance, using sector-level analysis that assesses no individual firm.
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Risk transmission in Insurance Nexus is the path by which physical, transition, technology and systemic shocks reach the sector and travel onward through balance sheets, markets and the real economy. Analysis uses aggregated, sector-level indicators such as gross written premium by line and market and insurance penetration; it assesses no individual firm and is not investment advice.
Fig.How GCRI, GRF and GRA share one field while the authorities decide. Design, not a record.
The working screen behind this subject: its structure, terms and states. Names are placeholders and values illustrative.
Damage, illness, death, interruption and liability become claims, often clustered in time and place.
The same shock can depress the value of insurers' investment portfolios at the moment claims rise.
Events that damage communities can also disrupt insurers' own staff, systems and claims handling.
When liabilities and assets are hit by the same shock, the effect on capital is compounded. Stress testing examines this double hit.
Property catastrophe reinsurance renews on a few dates each year. When reinsurers raise attachment points or rates after heavy losses, primary insurers retain more or pay more, and pass part of that to policyholders through premiums, higher deductibles or non-renewal in high-hazard areas. The effect shows up first where catastrophe exposure is concentrated. Lenders then see it as uninsured or underinsured collateral. The chain is set out at retrocession and capital.
Mapping insured exposure against hazard and against mortgage collateral shows where repricing would move risk to banks and households. A parametric trigger on the same map shows which part of a loss a public cover would pay quickly. Design values only. Credit effects continue at Banking Nexus housing and property finance; governance at GRF recovery governance.
Large losses flow to reinsurers and investors in insurance-linked securities, which then reprice cover. See Reinsurance and Catastrophe.
After losses or when risk rises, premiums increase or cover is withdrawn, widening insurance protection gaps.
Where insurance becomes unavailable, lenders may restrict mortgages and loans, and property values can fall.
Uninsured losses fall on governments through disaster relief and contingent liabilities, examined at Public Finance and Sovereign Debt.
Insurers' asset sales or reallocations under stress can affect the markets in which they invest.
The origins of transmission lie in physical and social systems studied at The Global Centre for Risk and Innovation (GCRI): climate hazards at Climate and Hazards at The Global Centre for Risk and Innovation (GCRI), coastal risk at Oceans and Coasts at The Global Centre for Risk and Innovation (GCRI), disease at Health Nexus at The Global Centre for Risk and Innovation (GCRI) and recovery at Disaster Resilience and Recovery at The Global Centre for Risk and Innovation (GCRI). Earth observation from Space and Earth Observation at The Global Centre for Risk and Innovation (GCRI) improves exposure data. Governance responses are convened at Climate and Nature Governance at The Global Risks Forum (GRF).
Transmission analysis uses scenario and stress-testing methods, extreme value theory and tail risk for tail events and probability and statistics for dependence between risks. It uses aggregated sector data, assesses no individual firm and makes no recommendation. Models simplify how markets and policymakers respond, and correlations observed in normal times can change in crises.
Because members compete, GRA's programmes are designed around competition-law safeguards that keep cooperation precompetitive, set out in a written competition policy that counsel reviews before membership opens.
Each term as this page uses it. Where a standard-setting body defines the term, the wording follows that body.
| Term | Definition |
|---|---|
| Transmission channel | The route by which a shock reaches financial institutions' balance sheets. |
| Contagion | Transmission of losses or stress from one institution or market to others. |
| Second-round effects | Feedback from bank losses to the economy, such as tighter credit deepening a downturn. |
| Common exposure | Holdings of the same or similar assets by several institutions, which makes their losses move together. |
The bodies and documents this page is read against. Status and editions change; each link goes to the issuing body.
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