Study guide
9.4 Base Pay Structures, Salary Grades & Compa-Ratio Calculations
Associate Professional in Human Resources International aPHRi
Track your progress as you read
Finished sections get a check mark.
1 Chapter 1: Introduction & aPHRi Exam Overview
1.1 About the aPHRi Exam: Format, Fees, Scoring & Official Outline
2 Chapter 2: HR Strategy, Culture, Structure & Business Functions
2.1 HR Strategic Alignment & Business Partner Models 2.2 Organizational Culture, Values & Cross-Cultural Frameworks 2.3 Multinational Organizational Structures & Spans of Control 2.4 Business Functions: Accounting, Finance, Operations, Sales & Marketing 2.5 Global Legal & Regulatory Compliance Frameworks
3 Chapter 3: HR Policies, Job Classifications, Records & HR Technology
3.1 Employment Governance, Policies & Global Employee Handbooks 3.2 Job Classifications: Hourly, Salaried, Full-Time, Part-Time, Temporary & Contractor 3.3 HR Information Systems (HRIS) Architecture & Core Functional Modules 3.4 Workplace Technology, Electronic Monitoring & Digital Ethics 3.5 Employee Data Privacy, GDPR & International Data Transfers 3.6 Employee Records Management & Workforce Reporting Requirements
4 Chapter 4: HR Metrics, Data, Communication & Operations
4.1 Core HR Metrics, Workforce Analytics & Mathematical Formulas 4.2 Data Collection Methodologies, Statistics & Executive HR Dashboards 4.3 Tools to Compile Data & Presenting HR Reports 4.4 Communication Techniques: Written, Oral, Email & Intercultural Awareness 4.5 Change Management Models & Organizational Development Interventions 4.6 External HR Service Providers, Project Management & Vendor Oversight
5 Chapter 5: Talent Planning, Recruitment Compliance & Sourcing
5.1 Strategic Workforce Planning & Quantitative Forecasting 5.2 Job Analysis, Job Descriptions & Competency Frameworks 5.3 Recruitment Compliance: Job Requisitions, Job Postings & Work Authorization 5.4 Sourcing Strategies & International Talent Channels 5.5 Alternative Staffing Practices: RPO, Temporary Agencies, Job Sharing & Remote Workers 5.6 Employer Branding, Employee Value Proposition (EVP) & Candidate Journey
6 Chapter 6: Candidate Assessment, Selection & Onboarding
6.1 Screening Methodologies, ATS Automation & Shortlisting 6.2 Structured & Behavioral Interview Methodologies 6.3 Pre-Employment Testing, Psychometrics & Assessment Validity 6.4 Pre- and Post-Offer Activities: Conditional Offers, Medical Exams, Relocation & Immigration 6.5 Job Offers, Employment Contracts & Global Onboarding
7 Chapter 7: Labor Relations, Ethics, Workplace Behavior & Employee Voice
7.1 International Labor Relations, ILO Standards & Works Councils 7.2 Workplace Ethics, Whistleblowing & Anti-Corruption Governance 7.3 Workplace Behavior Issues: Absenteeism, Aggressive Behavior, Conflict & Harassment 7.4 Progressive Discipline, Conflict Resolution & Grievance Procedures 7.5 Employee Engagement, Feedback Systems & Workplace Voice 7.6 Employee Relations Programs: Recognition, Special Events & Diversity Programs
8 Chapter 8: Separation, Restructuring, Health, Safety & Security
8.1 Termination, Redundancy, Severance & Offboarding Management 8.2 Workforce Reduction & Restructuring Terminology: Downsizing, Mergers, Relocation, Assignments & Transfers 8.3 Global Occupational Health, Safety & Ergonomics Standards 8.4 Workplace Wellness, Mental Health & Employee Assistance Programs 8.5 Workplace Security, Crisis Management & Global Duty of Care 8.6 Workplace Security Risks: Theft, Equipment Damage, Cyber Crime & Password Practices
9 Chapter 9: Total Rewards, Pay Law & Base Pay Structures
9.1 Total Rewards Strategy & Market Positioning 9.2 Compensation & Benefits Law Basics: Wage and Hour Rules, Entitlements, Tax Treatment & Privacy 9.3 Job Evaluation Methodologies & Market Pricing 9.4 Base Pay Structures, Salary Grades & Compa-Ratio Calculations
10 Chapter 10: Incentives, Benefits, Payroll & International Pay
10.1 Direct Compensation, Merit Pay & Variable Incentive Systems 10.2 Statutory vs Non-Statutory Benefits & Global Retirement Systems 10.3 Payroll Terminology & Payroll Administration Basics 10.4 Processing Insurance Claims: Work Injury, Disability & Benefit Claims 10.5 Work-Life Balance Practices: Flexible Hours, Telecommuting, Sabbaticals & Family Leave 10.6 Global Pay Equity, Transparency & Expatriate Compensation Models
11 Chapter 11: Training Needs, Design, Delivery & Compliance
11.1 Training Needs Assessment & Adult Learning Theory (Andragogy) 11.2 Instructional Design, the ADDIE Framework & Bloom's Taxonomy 11.3 Training Delivery Methodologies, Blended Learning & LMS 11.4 Training Laws, Credentials & Qualified Training Providers
12 Chapter 12: Training Evaluation, Performance & Career Development
12.1 Training Evaluation & Kirkpatrick's Four-Level Model 12.2 Performance Management Systems & Appraisal Methodologies 12.3 Succession Planning, Nine-Box Grid & Talent Retention
9.4 Base Pay Structures, Salary Grades & Compa-Ratio Calculations
Key Takeaways Explain This Topic AI
A base pay structure organizes jobs into logical pay grades with corresponding pay ranges defined by a minimum, a midpoint (representing the 50th percentile market rate), and a maximum.
The pay range spread measures the distance from minimum to maximum as a percentage of the minimum: [(Max - Min) / Min] * 100, typically widening from 20%–25% for entry-level roles to 50%–100%+ for executive positions.
Range overlap allows seasoned, high-performing employees at the top of a lower pay grade to earn more than inexperienced new hires entering at the bottom of a higher grade, facilitating smooth promotional transitions.
Compa-Ratio measures an employee's actual salary relative to their salary grade midpoint (Actual Salary / Midpoint), where 1.0 (or 100%) represents market parity, while Range Penetration normalizes position between range minimum and maximum.
Pay anomalies require decisive administrative management: Green-circle rates (salaries below range minimum) must be raised to the minimum, while Red-circle rates (salaries above range maximum) should be frozen with merit delivered via non-base lump-sum bonuses.
Last updated: September 2026
Base Pay Structures, Salary Grades & Compa-Ratio Calculations
Quick Answer / Exam Focus: Base pay structures establish standardized salary grades and pay ranges to manage workforce compensation systematically. Master the core structural formulas: Pay Range Spread ([(Max - Min) / Min] × 100), Range Overlap , and Midpoint Progression . Furthermore, candidates must be fully prepared to compute and interpret two primary individual pay metrics: Compa-Ratio (Actual Salary / Range Midpoint) and Range Penetration ([(Actual Salary - Min) / (Max - Min)] × 100). Finally, candidates must know how to diagnose and correct structural anomalies, specifically resolving pay compression , bringing green-circle rates up to range minimums, and freezing red-circle rates while utilizing non-base lump-sum bonuses.
1. Base Pay Structure Architecture: Grades & Ranges
A base pay structure translates internal job evaluation points and external market survey rates into a manageable, transparent compensation framework. Rather than setting individual, customized salaries for hundreds of separate job titles, an organization groups roles of comparable value into pay grades and assigns each grade a defined pay range . Salary
- ▲ ┌───────────┐ [Grade 3 Max]
- │ │ │
- │ ┌───────────┐ │ Grade 3 │
- │ │ │ │ Midpoint │ ◄── Market Target
- │ ┌───────────┐ │ Grade 2 │ ├───────────┤
- │ │ │ │ Midpoint │ │ │
- │ │ Grade 1 │ ├───────────┤ └───────────┘ [Grade 3 Min]
- │ │ Midpoint │ │ │
- │ ├───────────┤ └───────────┘ [Grade 2 Min]
- │ │ │ ▲
- │ └───────────┘ │ [Range Overlap Territory]
- │ [Grade 1 Min] ▼
- └────────────────────────────────────────────────────────────────────────►
- Job Evaluation Points / Internal Worth
- The Anatomy of a Pay Range
Every pay range is bounded by three critical reference anchors:
Range Minimum : The lowest base pay rate paid to an employee in that grade. Typically offered to new hires who satisfy the minimum qualifications of the job but require initial onboarding, skill development, and supervisory guidance.
Range Midpoint : The exact mathematical center of the pay range. In modern market-based pay structures, the midpoint is aligned with the competitive external market rate (50th percentile / median) for a fully competent, experienced performer who consistently satisfies all performance standards. Midpoint = Minimum + Maximum 2 \text{Midpoint} = \frac{\text{Minimum} + \text{Maximum}}{2} Midpoint = 2 Minimum + Maximum
Range Maximum : The highest base pay rate permitted for jobs in that grade. It represents the absolute ceiling of compensation, reserved for seasoned top performers with advanced skills, exemplary productivity, or extended tenure who perform at the highest levels of capability.
2. Core Pay Structure Mathematical Formulas
Compensation architects rely on established mathematical formulas to ensure structural balance, logical progression, and fiscal control across the grading architecture.
1. Pay Range Spread
The range spread (or range width) measures the distance from the minimum to the maximum as a percentage of the minimum: Range Spread (%) = ( Maximum − Minimum Minimum ) × 100 \text{Range Spread (\%)} = \left(\frac{\text{Maximum} - \text{Minimum}}{\text{Minimum}}\right) \times 100 Range Spread (%) = ( Minimum Maximum − Minimum ) × 100
Calculating Minimum and Maximum from Midpoint and Spread
When compensation committees set a market midpoint and decide on a targeted range spread, the minimum and maximum boundaries are derived using the following formulas: Minimum = Midpoint 1 + ( Spread Percentage 2 ) \text{Minimum} = \frac{\text{Midpoint}}{1 + \left(\frac{\text{Spread Percentage}}{2}\right)} Minimum = 1 + ( 2 Spread Percentage ) Midpoint Maximum = Minimum × ( 1 + Spread Percentage ) \text{Maximum} = \text{Minimum} \times (1 + \text{Spread Percentage}) Maximum = Minimum × ( 1 + Spread Percentage )
Typical Range Spreads by Organizational Tier
Range spreads widen progressively as jobs increase in organizational complexity and performance discretion:
Organizational Job Tier Typical Range Spread Operational Rationale
Hourly / Clerical / Administrative 20% to 25% Shorter learning curves; limited performance discretion; jobs are quickly mastered.
Entry-to-Mid Professional / Technical 30% to 40% Moderate learning curve; meaningful variance in individual problem-solving and output.
Senior Professional / Middle Management 40% to 50% Extended time to full competency; substantial discretion over projects, budgets, and teams.
Executive / C-Suite Leadership 50% to 100%+ Extreme variance in strategic impact; prolonged tenure at executive levels; broad market pricing spans.
2. Range Overlap
Range overlap is the degree to which the pay range of a lower salary grade extends into the pay range of the next higher adjacent salary grade: Range Overlap (%) = ( Maximum of Lower Grade − Minimum of Higher Grade Maximum of Lower Grade − Minimum of Lower Grade ) × 100 \text{Range Overlap (\%)} = \left(\frac{\text{Maximum of Lower Grade} - \text{Minimum of Higher Grade}}{\text{Maximum of Lower Grade} - \text{Minimum of Lower Grade}}\right) \times 100 Range Overlap (%) = ( Maximum of Lower Grade − Minimum of Lower Grade Maximum of Lower Grade − Minimum of Higher Grade ) × 100
The Strategic Purpose of Overlap
Recognizes Experience Over Position : Allows an exceptional, tenured performer near the top of Grade 4 to earn more than an inexperienced, newly hired employee entering at the bottom of Grade 5.
Facilitates Career Flexibility : Permits employees to take developmental lateral transfers or cross-functional assignments in adjacent grades without requiring disruptive salary changes.
Ideal Overlap Target : For adjacent professional grades, an overlap of 40% to 60% is standard. If overlap is too small (< 25%), promotional increases require massive budget spikes. If overlap is too large (> 70%), the distinct value of moving to a higher grade is blurred, weakening promotional incentives.
3. Midpoint Progression
Midpoint progression (or inter-grade differential) measures the percentage increase between the midpoints of consecutive salary grades: Midpoint Progression (%) = ( Midpoint of Higher Grade − Midpoint of Lower Grade Midpoint of Lower Grade ) × 100 \text{Midpoint Progression (\%)} = \left(\frac{\text{Midpoint of Higher Grade} - \text{Midpoint of Lower Grade}}{\text{Midpoint of Lower Grade}}\right) \times 100 Midpoint Progression (%) = ( Midpoint of Lower Grade Midpoint of Higher Grade − Midpoint of Lower Grade ) × 100
Clerical / Operational Grades : Typically 8% to 12% .
Professional / Management Grades : Typically 12% to 15% .
Executive Grades : Typically 15% to 25%+ , reflecting the quantum leap in strategic responsibility and organizational risk.
3. Individual Compensation Analytics: Compa-Ratio & Range Penetration
To audit internal equity, monitor budget compliance, and evaluate how individuals are paid within their assigned salary ranges, compensation analysts use two essential metrics.
1. Compa-Ratio (Comparative Ratio)
The Compa-Ratio measures the relationship between an employee's actual base salary and the midpoint of their assigned salary grade: Compa-Ratio = Employee’s Actual Base Salary Salary Range Midpoint \text{Compa-Ratio} = \frac{\text{Employee's Actual Base Salary}}{\text{Salary Range Midpoint}} Compa-Ratio = Salary Range Midpoint Employee’s Actual Base Salary Compa-Ratio (%) = ( Employee’s Actual Base Salary Salary Range Midpoint ) × 100 \text{Compa-Ratio (\%)} = \left(\frac{\text{Employee's Actual Base Salary}}{\text{Salary Range Midpoint}}\right) \times 100 Compa-Ratio (%) = ( Salary Range Midpoint Employee’s Actual Base Salary ) × 100 Compa-Ratio Interpretation Spectrum:
- 0.80 1.00 1.20
- (80%) (100%) (120%)
- │ │ │
- ▼ ▼ ▼
- ┌───────────────┐ ┌───────────────┐ ┌───────────────┐
- │ NEW HIRE │ │FULLY COMPETENT│ │SENIOR / EXPERT│
- │Developing; on │ │Market target; │ │Top performer; │
- │learning curve │ │consistently │ │extended tenure│
- │ │ │meets goals │ │ │
- └───────────────┘ └───────────────┘ └───────────────┘
The zones below assume a range with a 50% spread, where the minimum is about 80% and the maximum about 120% of the midpoint; with other spreads, the minimum and maximum fall at different compa-ratios.
Compa-Ratio Zone Percentage Range Standard Employee Profile & Administrative Action
Below Range Minimum < 0.80 (< 80%) Green-Circle Anomaly : Underpaid or hired into probation; requires immediate upward adjustment to range minimum.
Learning / Developing Zone 0.80 to 0.95 (80%–95%) New hires, recent promotions, or employees still developing core competencies. Merits regular developmental raises.
Target Market Parity Zone 0.95 to 1.05 (95%–105%) Experienced, fully competent performers consistently meeting all job expectations. The target market zone.
High Performance / Expert Zone 1.05 to 1.20 (105%–120%) Consistent high performers, subject-matter experts, or long-tenured employees with superior institutional value.
Above Range Maximum > 1.20 (> 120%) Red-Circle Anomaly : Paid above maximum ceiling; salary must be frozen with merit delivered via lump-sum awards.
Group (Departmental) Compa-Ratio
To assess whether an entire division or department is over- or under-paid relative to the external market, HR computes the Group Compa-Ratio: Group Compa-Ratio = ∑ Actual Salaries of All Employees in Group ∑ Salary Range Midpoints of All Employees in Group \text{Group Compa-Ratio} = \frac{\sum \text{Actual Salaries of All Employees in Group}}{\sum \text{Salary Range Midpoints of All Employees in Group}} Group Compa-Ratio = ∑ Salary Range Midpoints of All Employees in Group ∑ Actual Salaries of All Employees in Group
A group ratio above 1.05 indicates a mature, high-cost workforce that may create budgetary strain.
A group ratio below 0.95 signals an inexperienced workforce or elevated turnover risks if employees realize they are paid below prevailing market medians.
2. Range Penetration
Range penetration measures the exact percentage depth an employee's salary has reached within their specific range, bounded strictly by the minimum and maximum: Range Penetration (%) = ( Actual Salary − Range Minimum Range Maximum − Range Minimum ) × 100 \text{Range Penetration (\%)} = \left(\frac{\text{Actual Salary} - \text{Range Minimum}}{\text{Range Maximum} - \text{Range Minimum}}\right) \times 100 Range Penetration (%) = ( Range Maximum − Range Minimum Actual Salary − Range Minimum ) × 100
Why Range Penetration is Vital Alongside Compa-Ratio
While Compa-Ratio anchors exclusively to the midpoint, it can obscure where an employee stands relative to the range boundaries across grades with different spreads. Range penetration normalizes position across all grades:
0% = Exactly at the Range Minimum.
50% = Exactly at the Range Midpoint.
100% = Exactly at the Range Maximum.
Comprehensive Step-by-Step Worked Calculation Example
Consider two employees in an organization's finance department:
Employee A (Financial Analyst, Grade 4) :
- Range Minimum: $50,000
- Range Midpoint: $60,000
- Range Maximum: $70,000
- Employee A Actual Salary: $55,000
Compa-Ratio Calculation : Compa-Ratio = $ 55 , 000 $ 60 , 000 = 0.9167 (or 91.7 % ) \text{Compa-Ratio} = \frac{\$55,000}{\$60,000} = 0.9167 \text{ (or } 91.7\%\text{)} Compa-Ratio = $60 , 000 $55 , 000 = 0.9167 (or 91.7% )
Range Penetration Calculation : Range Penetration = ( $ 55 , 000 − $ 50 , 000 $ 70 , 000 − $ 50 , 000 ) × 100 = ( $ 5 , 000 $ 20 , 000 ) × 100 = 25.0 % \text{Range Penetration} = \left(\frac{\$55,000 - \$50,000}{\$70,000 - \$50,000}\right) \times 100 = \left(\frac{\$5,000}{\$20,000}\right) \times 100 = 25.0\% Range Penetration = ( $70 , 000 − $50 , 000 $55 , 000 − $50 , 000 ) × 100 = ( $20 , 000 $5 , 000 ) × 100 = 25.0%
Interpretation : Employee A is in the learning/developing zone, earning 91.7% of the market median, and has penetrated 25% of their total salary band.
Employee B (Senior Accounting Manager, Grade 8) :
- Range Minimum: $80,000
- Range Midpoint: $100,000
- Range Maximum: $120,000
- Employee B Actual Salary: $112,000
Compa-Ratio Calculation : Compa-Ratio = $ 112 , 000 $ 100 , 000 = 1.12 (or 112.0 % ) \text{Compa-Ratio} = \frac{\$112,000}{\$100,000} = 1.12 \text{ (or } 112.0\%\text{)} Compa-Ratio = $100 , 000 $112 , 000 = 1.12 (or 112.0% )
Range Penetration Calculation : Range Penetration = ( $ 112 , 000 − $ 80 , 000 $ 120 , 000 − $ 80 , 000 ) × 100 = ( $ 32 , 000 $ 40 , 000 ) × 100 = 80.0 % \text{Range Penetration} = \left(\frac{\$112,000 - \$80,000}{\$120,000 - \$80,000}\right) \times 100 = \left(\frac{\$32,000}{\$40,000}\right) \times 100 = 80.0\% Range Penetration = ( $120 , 000 − $80 , 000 $112 , 000 − $80 , 000 ) × 100 = ( $40 , 000 $32 , 000 ) × 100 = 80.0%
Interpretation : Employee B is a seasoned, high-performing manager earning 12% above market median, positioned 80% of the way through their salary range.
4. Managing Pay Anomalies: Compression, Green-Circle & Red-Circle Rates
Over time, market dynamics and administrative decisions create structural anomalies that threaten internal equity and fiscal integrity. Above Maximum ──────────► [RED-CIRCLE RATE] ────► Freeze base pay; award lump-sum bonus
- ┌───────────────────────┐
- │ Range Maximum │
- │ │
- │ Range Midpoint │
- │ │
- │ Range Minimum │
- └───────────────────────┘
- Below Minimum ──────────► [GREEN-CIRCLE RATE] ──► Immediately raise salary to range minimum
- 1. Pay Compression (Salary Compression / Wage Inversion)
Definition : Pay compression occurs when the pay differential between employees of differing experience, tenure, skill levels, or organizational hierarchy becomes negligibly small (e.g., when a newly hired college graduate earns almost as much as a five-year veteran). In extreme cases, it causes pay inversion , where newer hires earn more than senior incumbents.
Primary Causes :
Rapid Market Wage Inflation : Fast-rising external market rates force the company to offer high starting salaries to attract new hires, while internal merit budgets for existing staff grow at modest rates (e.g., 2%–3% annually).
Statutory Minimum Wage Hikes : Legislative increases push entry-level wages upward without corresponding adjustments to higher job grades.
Overtime Distortions : Overtime-eligible subordinates working extensive overtime earn more total cash than salaried supervisors who are not eligible for overtime.
Corrective Administrative Actions :
Adjust internal salary ranges upward to reflect current labor market inflation.
Provide targeted market equity adjustments to experienced, tenured employees.
Utilize sign-on bonuses to attract external talent rather than inflating permanent base pay.
Emphasize performance-based variable incentive bonuses rather than fixed base salary hikes.
2. Green-Circle Rates
Definition : An employee's actual base pay rate falls below the established range minimum for their assigned pay grade.
Diagnostic Causes : Rapid promotion of a developing employee before they attain full qualifications; hiring a trainee at a sub-minimum introductory rate; or upward reclassification/market restructuring of salary grades where incumbent pay has not yet caught up.
Administrative Protocol : An organization must immediately adjust the employee's pay upward to the range minimum (or implement a structured, accelerated phased increase during a documented probationary window). Leaving an employee below the range minimum undermines the pay structure and can create equal-pay risk if such shortfalls affect one group more than another.
3. Red-Circle Rates
Definition : An employee's actual base pay rate exceeds the established range maximum for their assigned pay grade.
Diagnostic Causes : Downward reclassification of a role due to reorganization; corporate mergers where acquired employees earned higher legacy salaries; demotion of an executive without pay reduction; or grandfathered longevity pay.
Administrative Protocol :
Freeze Base Pay : The employee's base salary is frozen (capped) so no additional percentage increases are added to base pay until general range adjustments move the range maximum above their rate.
Award Non-Base Lump-Sum Bonuses : When the employee earns a merit increase, award it as a one-time cash lump-sum bonus that is paid out but not added to the permanent base salary .
Promote or Broaden Job Scope : Seek opportunities to promote the high-performing employee into a higher salary grade whose range accommodates their compensation level.
Pay Anomaly Condition Root Causes Mandatory Administrative Remedy
Green-Circle Rate Salary < Range Minimum Trainee hiring, rapid promotion, upward salary structure shifts. Immediately raise base pay to range minimum; fast-track development.
Red-Circle Rate Salary > Range Maximum Demotion without pay cut, M&A legacy salaries, over-tenured veteran. Freeze base salary; deliver merit increases as one-time lump-sum cash bonuses.
Pay Compression New hire pay ≈ Tenured pay External market inflation surpassing internal merit raise budgets. Conduct market equity adjustments for tenured staff; use sign-on bonuses.
- 5. Exam Pitfalls & Practical Scenario Analysis
- Pitfall 1: Confusing Compa-Ratio and Range Penetration Denominators
The Scenario : An exam question asks for the Range Penetration of an employee earning $65,000 in a grade with a Minimum of $50,000 and a Maximum of $75,000 (Midpoint $62,500), and a candidate divides by $62,500.
The Trap : Using the midpoint instead of the range spread in the denominator.
The Reality : The Compa-Ratio uses the Midpoint as its denominator: $65,000 / $62,500 = 1.04 (104%). Range Penetration uses the total range width ((Max - Min)) in its denominator: ($65,000 - $50,000) / ($75,000 - $50,000) = $15,000 / $25,000 = 60.0%. Conflating the two formulas results in incorrect calculations.
Pitfall 2: Awarding Percentage Base Raises to Red-Circled Workers
The Scenario : An exceptional software architect whose salary is already $5,000 above the grade maximum receives an "Exceeds Expectations" performance rating, and management awards a 5% raise to their base salary.
The Trap : Believing that top performance justifies ignoring salary range ceilings.
The Reality : Compounding base pay above the range maximum destroys the organization's pay architecture and sets dangerous precedents. The proper protocol is to freeze base pay and award the 5% merit reward as a non-base lump-sum cash payment .
Pitfall 3: Misdiagnosing Range Overlap as Pay Compression
The Scenario : A line supervisor complains that a Grade 4 senior specialist earns more than a newly hired Grade 5 associate, claiming the organization has unlawful pay compression.
The Trap : Assuming that higher grades must always earn more than lower grades in every individual case.
The Reality : This is the intended function of range overlap . Well-designed salary grades deliberately overlap (typically 40%–60%) so that a seasoned, highly productive veteran at the top of a lower grade can be rewarded with higher earnings than a novice beginner entering the bottom of a higher grade.