CH 6
Educational Objectives
After completing this assignment, students should be able to:
Describe reinsurance and its principal functions.
Describe the three sources of reinsurance.
Describe treaty reinsurance and facultative reinsurance.
Describe the types of pro rata reinsurance and excess of loss reinsurance and their uses.
Explain the reinsurance concerns of risk management professionals.
Reinsurance and Its Functions
Overview
Reinsurance is commonly understood as a type of insurance for insurers, essentially an "insurance for insurers," which involves the transfer of insurance risk from one insurer (known as the primary insurer or ceding insurer) to another insurer (the reinsurer). This transfer is formalized through a reinsurance agreement.
This mechanism significantly expands the primary insurer's underwriting capacity, allowing them to issue larger individual policies or a greater volume of policies across their portfolio than their own capital and regulatory constraints would otherwise permit. By ceding a portion of the risk and premium, the primary insurer can take on more business.
Insurers are prohibited by strict regulatory capital requirements and prudent risk management practices from exposing themselves excessively to catastrophic risks that could jeopardize their financial stability and ability to pay policyholder claims. Regulators enforce solvency safeguards to protect policyholders.
Reinsurance serves as a critical protective measure against unforeseen and potentially financially devastating losses, thereby ensuring the stability, solvability, and operational continuity of the primary insurer.
Importance to Risk Management Professionals
The financial stability and uninterrupted operation of commercial insurers are of paramount importance to insured organizations, as these insurers form a foundational component of an organization's overall risk financing strategy. Most commercial insurers depend heavily on reinsurance to manage large individual risks or the aggregation of lesser risks that could collectively impact their ability to meet claims obligations.
A disruption within the intricate reinsurance network, such as the unexpected bankruptcy of a key reinsurer or their decision to withdraw from a particular market segment, can severely compromise an organization’s carefully constructed risk financing strategies. Such an event could lead to a reduction in available coverage limits, a substantial increase in the cost of remaining coverage, or, in the worst-case scenario, significant uninsured losses.
Risk management professionals may engage directly with reinsurers in specific, often specialized, situations. This includes purchasing reinsurance coverage for their organization's captive insurance subsidiaries or directly accessing the sophisticated reinsurance market for very large, complex, or highly specialized excess insurance layers that traditional primary insurers may not fully provide.
Basic Terms and Concepts
Insurance Risk: This refers to the inherent uncertainty associated with whether the aggregate premiums collected will be sufficient to cover the total future claims and losses, which can fluctuate significantly in terms of both frequency and severity over time.
Primary Insurer (Ceding Insurer): This is the original insurer that directly issues the insurance policy to the policyholder. This insurer then transfers, or cedes, a portion of the assumed risk and its corresponding premium to another insurer (the reinsurer). The primary insurer maintains the direct contractual relationship and ultimate responsibility to the original policyholder.
Reinsurer: This is the specialized insurer that accepts some or all of the potential liabilities, along with the corresponding portion of the premium, from the primary insurer. In exchange for this premium, the reinsurer assumes a share of the potential losses, thereby diversifying the risk.
Reinsurance Agreement: This is the formal, legally binding contract that meticulously outlines the terms and conditions governing the relationship between the primary insurer and the reinsurer. It specifies the types of risks covered, the exact extent of coverage provided by the reinsurer, the premium sharing arrangements, and the procedures for loss settlement.
Retention: This denotes the amount of risk, or the specific dollar amount of loss, that the primary insurer retains and is solely liable for before the reinsurance coverage provided by the reinsurer becomes effective and begins to pay out.
Functions of Reinsurance
Reinsurance serves several critical functions that are indispensable for the financial health, operational viability, and strategic growth of primary insurers:
Increase Large-Line Capacity: This function is crucial as it enables primary insurers to underwrite individual policies with significantly higher limits or to increase the overall volume of policies across their portfolio beyond what their own financial strength, capital base, or regulatory guidelines would ordinarily permit. For example, a major industrial facility or a large commercial property might require or more in property coverage; few primary insurers could retain this full amount without reinsurance. Reinsurance allows them to participate in such accounts.
Limits on retention are determined by:
Regulatory constraints: Many insurance regulatory bodies impose strict limits on the maximum net retention an insurer can hold on any single loss exposure. A common guideline might stipulate that an insurer may not retain more than of its policyholder surplus on a single loss. Reinsurance effectively reduces the primary insurer's net retention to comply with these rules.
Business capacity limits: These are internal limits set by the insurer based on their own risk appetite, capital adequacy, and the need to protect their earnings and surplus from excessive volatility due to large individual losses or accumulations of losses.
Provide Catastrophe Protection: Reinsurance provides essential protection against large, infrequent, and often unpredictable losses that arise from catastrophic events, such as major natural disasters (e.g., hurricanes, earthquakes, floods), widespread industrial accidents, or large-scale liability events. It protects insurers from the accumulation of losses caused by a single event or common peril affecting multiple insureds simultaneously. Without this protection, a single major catastrophe could severely deplete an insurer's surplus or even lead to insolvency.
Stabilize Loss Experience: This function addresses the inherent volatility in an insurer's loss experience. Insurance losses can fluctuate widely from year to year, impacting profitability and financial outlook. Reinsurance smooths out these peaks and valleys, reducing volatility in reported earnings and maintaining a more stable financial performance. This stability is crucial for attracting and retaining investors, maintaining favorable credit ratings, and supporting consistent stock prices, as it demonstrates reliable financial management and predictable income streams.
Provide Surplus Relief: When a primary insurer writes new business, it generally must allocate a portion of its surplus (net worth) as a reserve against potential future losses and expenses. This statutory requirement, often referred to as the "unearned premium reserve," ties up capital. Reinsurance, particularly certain types like pro rata, allows the primary insurer to cede a portion of the unearned premium reserve to the reinsurer, thereby freeing up its own statutory surplus. This "surplus relief" facilitates premium growth, enhances solvency ratios (such as premium-to-surplus ratios), and allows the insurer to write more business without needing to raise additional capital.
Facilitate Withdrawal From a Market Segment: Reinsurance provides efficient and orderly mechanisms for primary insurers to proactively or reactively exit unprofitable, volatile, or strategically misaligned business areas or geographic markets. This is typically achieved through a "portfolio transfer" or "assumption reinsurance," where a block of existing policies is transferred to a reinsurer. This allows the primary insurer to cease underwriting new business in that segment without causing reputational damage, disturbing existing policyholders, or incurring significant administrative burdens associated with running off discontinued business over many years.
Provide Underwriting Guidance: Reinsurers often possess a broader and deeper understanding of various risks and market trends due to their exposure to a wider array of primary insurers and diverse geographic regions. They frequently offer invaluable advisory services and technical expertise to their ceding companies, particularly regarding risk assessment, pricing strategies, policy wording, and claims management. This guidance encourages newer or smaller insurers to better understand complex market risks and improve their underwriting discipline, fostering a stronger overall insurance market.
Reinsurance Sources
Reinsurance can be procured from several distinct types of entities, each with its own characteristics:
Professional Reinsurers: These are companies whose sole or primary business is reinsurance. They do not directly write primary insurance policies for the public but specialize exclusively in providing coverage to primary insurers. Examples include Munich Re, Swiss Re, and Hannover Re. They typically possess extensive expertise, substantial capital, and dedicated underwriting teams focused exclusively on assuming complex insurance risks from other insurers.
Reinsurance Departments of Primary Insurers: Some large primary insurers operate dedicated departments or establish subsidiaries that function as reinsurers, especially for their affiliated entities or, occasionally, for unaffiliated smaller insurers. This allows them to diversify their own risk portfolios and capitalize on their expertise within a separate operational unit. However, their primary focus remains their direct insurance business.
Reinsurance Pools, Syndicates, and Associations: These are collaborative arrangements where multiple insurers come together to share risks and administrative costs, often to underwrite business that would be too large or too risky for any single insurer to handle alone. For example, Lloyd's of London operates as a syndicate-based market. In a pool, each member assumes a predetermined share of the premiums and losses. This collective approach allows for the accumulation of significant capital and the distribution of extremely large or hazardous risks, such as nuclear power plant insurance or aviation risks.
Types of Reinsurance Transactions
Reinsurance transactions are broadly categorized into two main types based on how the risks are transferred:
Treaty Reinsurance: This is a reinsurance agreement that automatically covers all eligible loss exposures within a predefined class or portfolio of the primary insurer's business. Once a policy falls within the criteria specified in the treaty, its risks must be ceded to the reinsurer, and the reinsurer is obligated to accept them. This "obligatory" nature streamlines the process, eliminates the need for individual risk assessment, and provides the primary insurer with predictable capacity for a large volume of business. Treaties are typically negotiated once a year and cover future business for the duration of the agreement.
Facultative Reinsurance: In contrast to treaty reinsurance, facultative reinsurance involves individually negotiated agreements for specific, distinct loss exposures. Both the primary insurer and the reinsurer retain the option to accept or reject the specific risk being offered. It is "non-obligatory" on both sides. This type of reinsurance is typically used for very large, unusual, or unique risks that fall outside the scope of existing treaties, or when a primary insurer wishes to exceed the limits of an existing treaty. Each risk is evaluated on its unique merits, allowing for highly tailored coverage but requiring more administrative effort.
Types of Reinsurance
Beyond the transactional structure, reinsurance is also categorized by how losses are shared between the primary insurer and the reinsurer:
Pro Rata Reinsurance: In pro rata (or proportional) reinsurance, the primary insurer and the reinsurer share premiums, losses, and sometimes coverage amounts in a predetermined, fixed proportion or percentage. If the reinsurer takes of the risk, it also receives of the premium and pays for of any losses, along with a ceding commission paid back to the primary insurer to cover expenses.
Excess of Loss Reinsurance: In excess of loss (or non-proportional) reinsurance, the reinsurer only becomes responsible for losses once they exceed a predefined retention level, also known as the attachment point or deductible, which is borne by the primary insurer. The reinsurer does not share a proportion of every dollar of premium or every dollar of loss below the attachment point. Instead, it indemnifies the primary insurer for losses that exceed this agreed-upon threshold, up to a specified limit. The primary insurer retains all losses below the attachment point.
Pro Rata Reinsurance Types
Quota Share Reinsurance: This is the simplest form of pro rata reinsurance. The primary insurer and the reinsurer agree to share every risk within a specified class or entire book of business by a fixed, predetermined percentage. This percentage applies to premiums, losses, and policy limits. For example, if a primary insurer has a quota share treaty, the reinsurer will receive of all premiums written under that treaty and will pay of all covered losses. The primary insurer retains the remaining of premiums and losses and receives a ceding commission from the reinsurer to cover administrative and acquisition costs. This type provides significant surplus relief and increased capacity for a broad portfolio.
Surplus Share Reinsurance: This pro rata method applies when the insurance amount (policy limit) on a specific risk exceeds a predetermined "retention limit" or "line" set by the primary insurer. The primary insurer retains a fixed amount (its "line") for itself, and only the amount of insurance in excess of this line is ceded to the reinsurer, up to a specified number of additional "lines." The sharing of premiums and losses for the ceded portion is proportional to the share of coverage ceded. For instance, if the primary insurer has a retention limit of and a policy is written for , the primary insurer retains and cedes (or 2 "lines") to the reinsurer. The reinsurer would then receive of the premium and pay of resulting losses for that policy.
Excess of Loss Reinsurance Types
Per Risk Excess of Loss: This type of excess of loss reinsurance is applied on a per-occurrence, per-risk, or per-policy basis. The reinsurer pays only when the primary insurer's loss on any single insured risk, single covered event, or single policy exceeds a specified retention (attachment point). For example, if the retention is and an individual property loss is , the primary insurer pays and the reinsurer pays . This provides protection against large individual losses but does not consolidate multiple smaller losses.
Aggregate Excess of Loss: This form of reinsurance protects the primary insurer against the accumulation of many smaller or medium-sized losses over a specified period (e.g., one year) that, when tallied together, exceed a predetermined aggregate retention amount. The reinsurer indemnifies the primary insurer only once the total accumulated losses for a defined portfolio during that period surpass the set aggregate attachment point, up to an aggregate limit. This is beneficial for managing unpredictable cumulative loss experience rather than single large events.
Catastrophe Excess of Loss: This specialized excess of loss reinsurance focuses specifically on providing protection against accumulation of losses arising from a single, catastrophic event (e.g., a massive earthquake, a major hurricane, or a widespread industrial disaster) that impacts numerous policyholders simultaneously. The attachment point for catastrophe excess of loss is typically very high, designed to cover losses that significantly breach the primary insurer's capacity after aggregating many individual claims from a single event, protecting the insurer's entire book of business from systemic risk.
Reinsurance Concerns of Risk Management Professionals
Risk management professionals, particularly those overseeing corporate insurance portfolios or captive insurers, should be attuned to specific aspects of reinsurance:
Portfolio Reinsurance Arrangements: When contemplating or managing portfolio reinsurance arrangements (e.g., for a captive insurance program), professionals must diligently monitor the financial stability and creditworthiness of all reinsurers involved. This ensures that the coverage conditions remain robust and enforceable throughout the entire term of the arrangement, especially given the long-term nature of some reinsurance agreements and the potential for large claims.
Cut-Through Endorsements: These are crucial contractual provisions that can be added to a primary insurance policy. A cut-through endorsement creates a direct contractual obligation between the insured (the policyholder) and the reinsurer. In the unfortunate event of the primary insurer's insolvency or bankruptcy, this endorsement ensures that the insured has direct access to the reinsurer for payment of covered claims, bypassing the insolvent primary insurer's lengthy and often complex liquidation process. This significantly enhances the security of the coverage for the insured.
Reinsuring a Pool: For organizations that self-insure through a risk retention group, a captive pool, or another mutual arrangement, effective governance and rigorous oversight are paramount when securing reinsurance for the pool itself. This ensures the pool's financial resilience, underwriting stability, appropriate risk diversification, and adherence to sound actuarial principles, protecting all members of the pool from undue exposure.
Cooperation with Insurers: Risk management professionals often need to work closely and collaboratively with their primary insurers to structure complex programs that require input and capacity from both primary insurers and reinsurers. This involves layering risks, where different sections of a large exposure are covered by various insurers and reinsurers, to obtain comprehensive and adequate coverage for very large or unique corporate risks.
Summary
Reinsurance is an indispensable tool for managing risks and providing essential financial security within the insurance sector. It plays a pivotal role in helping both primary insurers and, by extension, their insured clients, effectively navigate complex financial exposures and maintain stability. Risk management professionals must develop a deep and practical understanding of how reinsurance operates, as it profoundly influences underwriting capabilities, risk financing strategies, and the overall solvency and resilience of the organizations they work for.