The barber outperformed every digital channel — twice.
- The three real market-entry strategies on the table
- The five target cities and their media environment
- The product and its metro positioning
- The channels under consideration, digital and local
- Trial-conversion lift per channel per buyer
- 90-day repeat-purchase rate by endorsement type
- The consistent cross-persona pattern
- The fourth factor that wasn't in the brief
Three entry strategies were on the table. The simulation found a fourth factor nobody had budgeted.
A personal-care brand with a strong metro e-commerce presence was entering Tier 2 and 3 Indian cities for the first time. Three market-entry strategies were under debate, all variations on how to buy attention. Five synthetic buyers across five cities were run through five scenarios and sixteen treatments to see which strategy converted — and the result pointed somewhere the brief hadn't.
Local trade authorities beat every digital channel — on trial and on repeat.
In a trust-first market, the barber isn't the last mile. He's the market.
In low-media-saturation, community-mediated markets, a digital impression carries almost none of the trust that a face-to-face endorsement does. The barber, the beauty-parlour owner, the electronics-store salesperson are not distribution — they are the credibility layer the category runs on. "My barber uses it himself, so it must be good" is the entire purchase logic. That's why local-authority reactivation didn't just lift trial by 40-plus points but sustained repeat at three times the no-authority rate: the endorsement isn't an ad the buyer discounts, it's a trusted person the buyer already relies on.
Rebuild the Tier 2/3 entry plan around local trade authorities as the primary channel, not a supporting tactic — fund barber and parlour reactivation ahead of digital reach, and measure success on endorsed-trial and 90-day repeat rather than on impressions.
These are modelled outcomes, not measured ones. Every score and probability here is a synthetic-population prediction, produced before any real-market test. Five buyers across five cities and sixteen treatments — built to find the dominant channel effect, not to size each city. Treat the numbers as directional — the direction and size of the effect is the finding, not a forecast. A design partner validates the top interventions against real behaviour before a decision commits to them.
“My barber uses it himself — so it must be good.”SIMULATION · TIER-3 BUYER PROBE
Run your version of this decision.
This is the real engine. Bring the thing you're weighing and see how the population responds — before you commit to it.