Prompt

Analyze marketing effectiveness across channels:

**Model Components:**
1. Channel attribution
2. Saturation curves
3. Adstock effects
4. Competitive impacts
5. External factors

**Analysis Framework:**
- Data collection strategy
- Variable transformation
- Model specification
- Validation approach
- Optimization algorithms

**Business Applications:**
- Budget allocation
- Channel mix optimization
- ROI calculation
- Scenario planning
- Performance forecasting

Marketing channels: {INSERT CHANNELS}
Business objectives: {INSERT OBJECTIVES}