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📋 '''Buy-in''' in the insurance context most commonly refers to a transaction in which a [[Definition:Pension scheme | pension scheme]] purchases a [[Definition:Bulk annuity | bulk annuity]] policy from an [[Definition:Insurance carrier | insurer]] to match some or all of its [[Definition:Pension liability | pension liabilities]], while the scheme itself remains in existence and retains the obligation to pay its members. The insurance policy becomes an asset on the scheme's balance sheet, and the insurer pays cash flows to the trustees that mirror the benefits owed to the covered members. This mechanism is a central pillar of the pension [[Definition:De-risking | de-risking]] market and represents significant premium volume for life insurers and [[Definition:Reinsurance | reinsurers]] that specialize in longevity and investment risk.

🔄 Under a buy-in arrangement, the pension trustees select a subset of members — often retirees already drawing benefits, whose cash flows are more predictable — and negotiate a [[Definition:Premium | premium]] with the insurer based on actuarial projections of [[Definition:Longevity risk | longevity]], [[Definition:Interest rate risk | interest rates]], and [[Definition:Inflation risk | inflation]]. Once the policy is in place, the insurer assumes the financial risk associated with those members living longer than expected or investment conditions shifting unfavorably. Critically, though, the pension scheme remains the legal entity responsible for paying members; it simply collects from the insurer and passes the payments through. Trustees retain governance duties, and members may not even be aware a buy-in has occurred.

🛡️ For corporate sponsors seeking to reduce the volatility that pension obligations introduce to their balance sheets, the buy-in offers a measured first step — de-risking a portion of liabilities without winding up the scheme entirely. It is frequently a precursor to a full [[Definition:Buy-out | buy-out]], where the scheme transfers all obligations to the insurer and ultimately dissolves. The growing scale of the buy-in market has also spurred innovation among insurers, who develop sophisticated [[Definition:Asset-liability matching | asset-liability matching]] strategies and tap the [[Definition:Capital markets | capital markets]] through [[Definition:Longevity swap | longevity swaps]] and other instruments to manage the risks they absorb. Regulatory frameworks such as [[Definition:Solvency II | Solvency II]] impose strict capital requirements on the reserving side, ensuring that insurers writing buy-in business maintain adequate buffers.

'''Related concepts:'''
{{Div col|colwidth=20em}}
* [[Definition:Buy-out]]
* [[Definition:Bulk annuity]]
* [[Definition:Longevity risk]]
* [[Definition:De-risking]]
* [[Definition:Pension liability]]
* [[Definition:Asset-liability matching]]
{{Div col end}}

Definition:Buy-in - Revision history

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