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🔗 '''Stranded cost''' is an expense or asset that loses its economic purpose or recoverability as a result of a structural change — in the insurance context, typically a [[Definition:Mergers and acquisitions (M&A) | corporate transaction]], a [[Definition:Run-off | run-off]] decision, a regulatory-driven restructuring, or a technology platform migration. When an [[Definition:Insurance carrier | insurer]] sells a business unit, exits a line of [[Definition:Underwriting | underwriting]], or carves out a subsidiary, certain costs that were previously shared across the organization may become "stranded" with the remaining entity: enterprise software licenses sized for a larger operation, leased office space that once housed the divested unit's staff, or legacy [[Definition:Policy administration system | policy administration systems]] maintained solely for a diminishing [[Definition:Run-off | run-off]] book. These costs no longer generate corresponding revenue but cannot be eliminated immediately.

⚙️ In practice, stranded costs surface prominently during the planning of insurance carve-outs and divestitures. A seller operating a shared-services model — where [[Definition:Claims management | claims handling]], [[Definition:Actuarial function | actuarial services]], finance, and IT infrastructure serve multiple business lines — must determine how costs currently allocated to the divested entity will be absorbed or reduced after closing. [[Definition:Transition service agreement (TSA) | Transition service agreements]] can temporarily defer the problem by allowing the buyer to pay for continued access to shared functions, but once the TSA expires the seller faces the full burden of any un-eliminated overhead. Buyers, for their part, scrutinize the target's cost base to identify which expenses are genuinely attributable to the carved-out business and which represent allocations that will need to be replaced with the buyer's own infrastructure — a process that informs the [[Definition:Purchase price | purchase price]] and the stand-up budget for post-acquisition integration.

💡 Failing to anticipate and manage stranded costs is one of the most common sources of post-deal value erosion in insurance transactions. A seller that underestimates the time and investment needed to rationalize residual infrastructure may find that the net proceeds from a divestiture are substantially offset by years of carrying costs. Conversely, a buyer that does not build realistic estimates for replacing [[Definition:Transition service agreement (TSA) | TSA]] services with its own capabilities may discover that the acquired business is less profitable on a standalone basis than the deal model assumed. For [[Definition:Private equity | private equity]] investors acquiring insurance platforms, stranded cost analysis is a core element of [[Definition:Due diligence | due diligence]] — particularly when the target has been operating as a division of a larger [[Definition:Insurance group | group]] and has never borne its own full cost structure. Rigorous identification and mitigation planning around stranded costs can make the difference between a transaction that delivers its projected returns and one that disappoints.

'''Related concepts:'''
{{Div col|colwidth=20em}}
* [[Definition:Transition service agreement (TSA)]]
* [[Definition:Carve-out]]
* [[Definition:Run-off]]
* [[Definition:Due diligence]]
* [[Definition:Purchase price adjustment]]
* [[Definition:Shared services]]
{{Div col end}}

Definition:Stranded cost - Revision history

PlumBot: Bot: Creating new article from JSON