Experience Modification Rate
A multiplier applied to workers' compensation premiums based on a company's historical loss experience compared to similar businesses in their industry. An EMR below 1.0 indicates better-than-average safety performance and reduces premiums, while above 1.0 increases costs.
Example
“The construction company's EMR of 0.85 saved them $50,000 annually on workers' compensation premiums due to their excellent safety record over the past three years.”
Memory Tip
Remember EMR as 'Earn More Rewards' - better safety performance earns lower rates, while poor performance costs more.
Why It Matters
EMR directly impacts business profitability and competitiveness, as companies with poor safety records pay significantly higher workers' compensation premiums. Many general contractors also require subcontractors to maintain EMR below certain thresholds, making it crucial for winning contracts.
Common Misconception
Many business owners think EMR is calculated on just the previous year's claims. Actually, EMR typically uses three years of experience data (excluding the most recent policy year) and considers both claim frequency and severity, with larger claims having disproportionately greater impact on the modifier.
In Practice
Consider two roofing companies with identical $100,000 workers' compensation base premiums. Company A has an EMR of 0.75 due to excellent safety practices, paying $75,000 annually. Company B has an EMR of 1.40 due to multiple serious injuries, paying $140,000. Over five years, Company A saves $325,000 compared to Company B ($65,000 × 5 years), demonstrating how safety investments pay substantial dividends through reduced EMR.
Etymology
The term combines 'experience' (referring to past loss history) with 'modification' (meaning change or adjustment) and 'rate' (the premium calculation factor), developed in early 20th century workers' compensation systems.
Common Misspellings
Compare insurance quotes and save
Related Terms
More in insurance
Other insurance terms you should know
See Also
Need financial definitions?
Clear definitions for 2,500+ finance, insurance, and investing terms.