Scaling Budgets: Diminishing Returns and Marginal CPA
This lesson is part of the course
In this lesson
You read three audience budget tests, calculate the marginal CPA of every extra $1,000 and pick each audience's best budget with INDEX/MATCH.
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Lessons in this course
- From Impressions to Sales: CTR, CVR, CPC, CPM and CPA Locked
- Keyword Report: SUMIFS by Campaign and Match Type Locked
- ROAS vs ROI: Margin, Break-even ROAS and Break-even CPA Locked
- Budget Pacing: Spend to Date and Month-end Projection Locked
- Quality Score, Ad Rank and Effective CPC (Simplified) Locked
- Attribution Models: First, Last, Linear, Time-decay, Position-based Locked
- Ad Creative Test: CTR Lift, z-Score and p-Value Locked
- Scaling Budgets: Diminishing Returns and Marginal CPA Locked