https://www.insurerbrain.com/w/index.php?action=history&feed=atom&title=Definition%3ARating_variable 2026-06-14T11:46:06Z Revision history for this page on the wiki MediaWiki 1.43.8 https://www.insurerbrain.com/w/index.php?title=Definition:Rating_variable&diff=9732&oldid=prev 2026-03-11T05:45:22Z

<p>Bot: Creating new article from JSON</p> <p><b>New page</b></p><div>📐 &#039;&#039;&#039;Rating variable&#039;&#039;&#039; is any measurable characteristic used within an [[Definition:Insurance carrier | insurer&#039;s]] [[Definition:Rating model | rating model]] to differentiate risk and calculate the appropriate [[Definition:Insurance premium | premium]] for a policy. Common examples include a driver&#039;s age, credit score, and annual mileage in [[Definition:Auto insurance | auto insurance]], or a property&#039;s construction class, square footage, and proximity to a fire station in [[Definition:Property insurance | property insurance]]. Each variable acts as a pricing lever that adjusts the [[Definition:Base rate | base rate]] upward or downward based on the expected [[Definition:Loss experience | loss]] profile it represents.<br /> <br /> 🔬 Carriers select and weight rating variables through [[Definition:Actuarial analysis | actuarial analysis]], testing each candidate variable for statistical significance, predictive power, and compliance with regulatory standards. A variable must demonstrably correlate with [[Definition:Claims | claims]] frequency or severity to justify its inclusion; otherwise, regulators reviewing a [[Definition:Rate filing | rate filing]] may reject it. Modern [[Definition:Insurtech | insurtechs]] have expanded the universe of potential rating variables to include [[Definition:Telematics | telematics]] driving data, [[Definition:Internet of Things (IoT) | IoT]] sensor readings, satellite imagery, and behavioral signals—though each new variable invites scrutiny over whether it serves as a proxy for protected characteristics like race or income, potentially running afoul of [[Definition:Unfair discrimination | unfair discrimination]] prohibitions embedded in [[Definition:Rating law | rating law]].<br /> <br /> ⚖️ The choice of rating variables shapes not only pricing accuracy but also market perception and social impact. An insurer that incorporates granular, behavior-based variables can reward lower-risk customers with better prices, improving [[Definition:Risk selection | risk selection]] and reducing [[Definition:Adverse selection | adverse selection]]. However, reliance on certain variables—credit-based insurance scores being the most debated—has drawn legislative pushback in several states, with some jurisdictions banning or restricting their use. Navigating this landscape requires carriers to balance predictive sophistication with regulatory acceptability and public trust, making the governance of rating variables a strategic concern for [[Definition:Chief actuary | actuarial]], [[Definition:Underwriting | underwriting]], and [[Definition:Compliance | compliance]] teams alike.<br /> <br /> &#039;&#039;&#039;Related concepts:&#039;&#039;&#039;<br /> {{Div col|colwidth=20em}}<br /> * [[Definition:Rating model]]<br /> * [[Definition:Base rate]]<br /> * [[Definition:Actuarial analysis]]<br /> * [[Definition:Rate filing]]<br /> * [[Definition:Predictive analytics]]<br /> * [[Definition:Unfair discrimination]]<br /> {{Div col end}}</div>

PlumBot