Skill: linuszz/ros-rms-analysis (version 1.0.0)

--- name: ros-rms-analysis description: "Analyze relationship between profitability and market share. Use for competitive advantage assessment, scale economies analysis, and strategy validation." --- # ROS/RMS Analysis ## Metadata - **Name**: ros-rms-analysis - **Description**: Return on Sales vs Relative Market Share analysis - **Triggers**: ROS, RMS, economies of scale, competitive advantage, profitability ## Instructions Analyze relationship between Return on Sales (ROS) and Relative Market Share (RMS) to identify competitive advantage from scale. ## Framework ### The ROS/RMS Equation ``` ROS = Operating Profit / Revenue RMS = Our Market Share / Largest Competitor Market Share ``` ### Key Insight **If ROS > Industry Average AND RMS > 1 →** Both superior profitability AND scale advantage = strong competitive position **Economies of Scale Logic:** - Larger RMS → Should have lower costs → Higher ROS - Smaller RMS → Acceptable to have higher costs → Lower ROS ### Chart Types **Scatter Plot** - ROS on Y-axis, RMS on X-axis (log scale) **Trend Line** - Industry average ROS vs RMS **Sector Chart** - Multiple competitors positioned in quadrants ## Output Process 1. **Define industry** - Boundaries, products, geography 2. **Gather data** - Revenue, profits, market shares 3. **Calculate metrics** - ROS for all players, RMS for us 4. **Benchmark** - Industry average ROS, competitive thresholds 5. **Create visualization** - Scatter or sector chart 6. **Interpret results** - Identify positioning and scale effects ## Output Format ``` ## ROS/RMS Analysis: [Industry/Company] ### Company Positioning | Competitor | Revenue | Profit | ROS | RMS | Position | Scale | Position | |------------|---------|--------|------|----------|---------| | [Company A] | $X M | $Y M | Z% | 0.5 | Small | ❌ Cost disadvantage | | [Company B] | $X M | $Y M | Z% | 1.2 | Medium | ❌ Cost disadvantage | | [Company C] | $X M | $Y M | Z% | 0.8 | Large | ⚠️ Mixed | | [Company D] | $X M | $Y M | Z% | 2.5 | Leader | ✅ Scale advantage | ### Trend Analysis | Metric | Our Value | Industry Avg | Assessment | |--------|-----------|-------------|------------| | ROS | X% | Y% | 🟢 Below average | | Market Share | Z% | - | 🟡 Losing share | | Growth Rate | X% | Y% | 🟢 Below market | --- ### Economies of Scale Analysis **Regression Line:** ROS = a × (1/RMS) + b - If 'a' is significant and positive → Strong economies of scale - If 'a' is insignificant → Weak or no scale economies **Implications:** 1. **[Implication 1]** - [Analysis] 2. **[Implication 2]** - [Analysis] ### Strategic Recommendations 1. **[Recommendation 1]** - [Description] 2. **[Recommendation 2]** - [Description] 3. **[Recommendation 3]** - [Description] ``` ## Tips - Use multi-year averages for ROS (3-5 years) - RMS on log scale (1.0 = equal to leader, 0.5 = half) - Industry ROS varies by sector - don't assume universality - Look for outliers - they tell important stories - Consider market share trends - gaining share can compensate for lower ROS ``` ## References - Henderson, Bruce. *The Logic of Business Strategy*. 1979. - Buzzell, Robert & Gale, Bradley. *Market Structure and Competitive Strategy*. 1981.


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