Prompt Library
Marketing

First vs Last Touch Attribution

Compare revenue credit under First-Touch and Last-Touch models for channels and top campaigns.

Prompt

Petavue, please analyze all Closed-Won deals from the last 180 days and compare revenue under two simple models:

  1. First-Touch: Assign 100% of revenue to the first interaction.

  2. Last-Touch: Assign 100% of revenue to the final interaction. Then:

  • Summarize total revenue by Channel and by the top 20 Campaigns for each model

  • Produce a variance table showing First-Touch $, Last-Touch $, and the % difference

  • Flag any rows where variance exceeds ±30%

  • Recommend which model better matches buyer behavior, based on median journey length and number of touches

Follow-up Prompts
  • List all channels where the variance between First-Touch and Last-Touch revenue exceeds ±30 percent, showing both model values and variance.

  • List the top 10 campaigns by absolute variance, including First-Touch $, Last-Touch $ and % variance.

  • Summarize median journey length and average touch count for each flagged channel or campaign.

  • Highlight channels and campaigns where First-Touch outperforms Last-Touch by ≥30 percent, with supporting buyer-journey statistics.

What This Prompt Does

This prompt attributes 100 percent of Closed-Won revenue from the past 180 days to both a First-Touch model and a Last-Touch model, then aggregates results by channel and the top 20 campaigns. It generates a variance report showing First-Touch dollars, Last-Touch dollars and percentage variance for each row. Any channel or campaign with variance exceeding ±30 percent is flagged and accompanied by commentary suggesting which model better represents the buyer journey, based on median journey length and touch count.

Strategic Impact

Delivering a clear comparison of attribution models ensures your revenue crediting matches actual customer paths and strengthens performance decisions. Business outcomes:

  • Guides budget allocation toward channels and campaigns under the most appropriate attribution model

  • Reduces reporting disputes by flagging large model-driven revenue shifts for policy review

  • Increases trust in analytics through data-driven commentary on model selection