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🛡️ '''Property and casualty insurance''' — widely abbreviated as P&C — is the broad segment of the insurance industry that provides [[Definition:Coverage | coverage]] for physical assets against damage or loss ([[Definition:Property insurance | property]]) and for legal [[Definition:Liability | liability]] arising from injuries or harm caused to others ([[Definition:Casualty insurance | casualty]]). Together, these two pillars account for the majority of [[Definition:Commercial insurance | commercial]] and a significant share of [[Definition:Personal lines | personal lines]] [[Definition:Premium | premium]] volume worldwide. In the United States, P&C is the standard industry designation and encompasses lines as varied as [[Definition:Homeowners insurance | homeowners]], [[Definition:Auto insurance | auto]], [[Definition:General liability insurance | general liability]], [[Definition:Workers' compensation insurance | workers' compensation]], and [[Definition:Commercial property insurance | commercial property]] — essentially everything outside [[Definition:Life insurance | life]], [[Definition:Health insurance | health]], and [[Definition:Annuity | annuity]] products.

⚙️ P&C carriers operate on a fundamental economic model: they collect [[Definition:Premium | premiums]] upfront, invest the [[Definition:Float | float]], and pay [[Definition:Claim | claims]] as they arise. Profitability hinges on two engines — [[Definition:Underwriting profit | underwriting results]], measured by the [[Definition:Combined ratio | combined ratio]], and [[Definition:Investment income | investment income]] generated from reserves and [[Definition:Surplus | surplus]]. Because the cost of goods sold (claims) is unknown at the time of sale, [[Definition:Actuarial science | actuarial]] estimation and disciplined [[Definition:Loss reserve | reserving]] are mission-critical functions. The sector follows an [[Definition:Underwriting cycle | underwriting cycle]] that alternates between [[Definition:Soft market | soft markets]] — where abundant [[Definition:Capacity | capacity]] compresses pricing — and [[Definition:Hard market | hard markets]], where [[Definition:Catastrophe | catastrophe]] losses or capital shortages tighten supply and push [[Definition:Rate | rates]] upward.

📈 P&C insurance is a bellwether for the broader economy because it insures the assets and activities that drive commercial and personal productivity. Rising [[Definition:Natural catastrophe | natural catastrophe]] frequency, [[Definition:Social inflation | social inflation]] in liability verdicts, and evolving risks like [[Definition:Cyber risk | cyber]] and [[Definition:Climate risk | climate change]] are reshaping the competitive landscape. [[Definition:Insurtech | Insurtechs]] have concentrated much of their innovation in P&C, deploying [[Definition:Telematics | telematics]], [[Definition:Parametric insurance | parametric triggers]], and [[Definition:Artificial intelligence (AI) | AI]]-driven [[Definition:Underwriting | underwriting]] to improve risk selection and customer experience. Meanwhile, the sector's reliance on [[Definition:Reinsurance | reinsurance]] and increasingly on [[Definition:Insurance-linked securities (ILS) | insurance-linked securities]] for capital relief underscores its deep integration with global [[Definition:Capital markets | capital markets]].

'''Related concepts'''
{{Div col|colwidth=20em}}
* [[Definition:Commercial insurance]]
* [[Definition:Personal lines]]
* [[Definition:Combined ratio]]
* [[Definition:Underwriting cycle]]
* [[Definition:Casualty insurance]]
* [[Definition:Property insurance]]
{{Div col end}}

Definition:Property and casualty insurance - Revision history

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