The Zero-Based Growth Model
by Dan Hockenmaier • Head of Strategy and Analytics at Faire
A renowned marketplace expert who previously worked at Thumbtack during its scaling phase and founded the strategy consulting firm Basis One. He is considered one of the world's leading authorities on marketplace dynamics, growth models, and unit economics.
🎙️ Episode Context
Dan Hockenmaier deconstructs the complex mechanics of building and scaling marketplace businesses, contrasting them with traditional SaaS models. He provides a masterclass on constructing growth models, defining true liquidity, and making high-stakes strategic decisions regarding verticalization and expansion.
Problem It Solves
Solves the difficulty of comparing disparate product initiatives (e.g., a brand awareness campaign vs. a conversion optimization project) during resource allocation.
Framework Overview
A mathematical representation of the business that links inputs (traffic, conversion, retention) to outputs (contribution margin). Unlike financial forecasts, this model is used to normalize the potential impact of different teams into a single value metric.
🧠 Framework Structure
Build the 'Macro Model' covering the ...
Create 'Mini-Models' for individual p...
Run 'Zero-Based Accounting' during pl...
Use the model to translate all initia...
When to Use
During quarterly or annual planning cycles, or when determining headcount allocation across product pods.
Common Mistakes
Using the growth model as a financial prediction tool for the board rather than an opportunity assessment tool for the product team.
Real World Example
At Thumbtack, modeling revealed that the repeat rate of new customers was the single biggest lever for LTV, causing them to shift resources from SEO/Acquisition to cross-selling and lifecycle product features.
If you think about running a marketplace, you're basically like a gardener. You have to have a very light touch. If you're building a SaaS business, you're a construction worker.
— Dan Hockenmaier