evaluate-channel-mix

name	evaluate-channel-mix
description	Evaluate channels on contribution and marginal ROI under a stated attribution model — not average ROI or lead count. Reach for this on a channel or budget question.

Skill: Evaluate channel mix

Attribution choice changes the ranking, and average ROI hides saturation (§3 #2 #5).

Step 1 — State the attribution model

First/last/multi-touch named before any number (§3 #2).

Step 2 — Compute channel ROI

(Contribution − cost) ÷ cost via marketingops_calc.py channel-roi.

Step 3 — Read marginal ROI

The next dollar's return, not the blended average (§3 #5).

Step 4 — Reallocate

Move budget off saturated channels toward higher marginal ROI.

Output

A channel read with the attribution model named and marginal-ROI reallocation.