---
id: "question-token-amount-optimization"
type: "open-question"
source_timestamps: ["§ Charging something is better than nothing."]
tags: ["pricing-optimization", "price-elasticity"]
related: ["claim-token-charge-responsibility"]
resolutionPath: "Empirical A/B testing of price elasticity near the zero-bound to find the threshold where civic responsibility/care behaviors activate without causing a massive drop-off in acquisition."
sources: ["commercial"]
sourceVaultSlug: "hbr-seg-commercial"
originDay: 5
articleStem: "hbr-ext-23-risks-of-free"
sourceUrl: "https://hbr.org/2025/06/the-risks-of-offering-free-goods-and-services"
sourceTitle: "The Risks of Offering “Free” Goods and Services"
---
# How is the optimal 'token amount' determined?

**Open question:** The author asserts that charging *even a token amount* cultivates value and responsibility (see [[claim-token-charge-responsibility]] and the [[entity-al-azhar-park]] case). However, the text provides **no framework for calculating** what constitutes a 'token amount' — one high enough to trigger psychological ownership but low enough not to severely throttle initial adoption or trial.

**Resolution path:** Empirical **A/B testing of price elasticity near the zero-bound** to find the threshold where civic-responsibility / care behaviors activate without causing a massive acquisition drop-off.

**Enrichment note:** The optimal figure depends on **elasticity, context, and enforcement**; too low may not change behavior, too high sharply reduces adoption — and fees near the zero-bound also raise **equity/exclusion** trade-offs.