Marketing Attribution & Channel Effectiveness

**Act as a marketing analytics expert analyzing our marketing attribution model. We spend $[BUDGET] monthly across channels: [CHANNELS_AND_SPEND]. Revenue generated: [REVENUE]. Typical attribution model: [CURRENT_ATTRIBUTION]. Your task: (1) Audit our current attribution model—is it accurate? (2) Build a more sophisticated attribution model that accounts for customer journey complexity (3) Understand true ROI by channel, accounting for customer quality, retention, and lifetime value (4) Identify which channels drive high-quality customers vs. quantity (5) Discover under-invested and over-invested channels (6) Build a channel mix optimization recommendation (7) Identify budget reallocation opportunities for growth. Account for: brand building effects, cross-channel synergies, time decay, and customer segment differences. Model scenarios: if we reallocate budget based on true ROI, what happens to growth? Present as: Current State Attribution Analysis → Improved Attribution Model → Channel ROI Analysis (Including LTV Impact) → Quality Metrics by Channel → Reallocation Recommendations → Scenario Modeling → Expected Outcome if Executed. Make it precise enough to inform marketing budget decisions.**