With reference to the information provided, examine the likely numerical value of the cross elasticity of demand between UK specialty coffee subscription services.
| Q1 2023 | Q2 2023 | Q3 2023 | Q4 2023 | Q1 2024 | |
|---|---|---|---|---|---|
| BeanRoast | 45.5% | 43.2% | 41.0% | 38.5% | 36.2% |
| GrindFlow | 21.0% | 22.5% | 24.2% | 26.1% | 28.5% |
| EcoBrew | 14.2% | 13.8% | 13.0% | 13.5% | 13.6% |
| AeroCafe | 8.8% | 9.5% | 10.6% | 11.2% | 11.2% |
| Others | 10.5% | 11.0% | 11.2% | 10.7% | 10.5% |
| Subscription service provider | December 2023 |
|---|---|
| BeanRoast Premium (1kg single-origin, whole bean) | £28.50 |
| BeanRoast Standard (250g house blend, ground) | £10.99 |
| GrindFlow Standard (250g house blend, ground) | £8.99 |
| EcoBrew Certified Organic (250g) | £12.50 |
| GrindFlow – NHS/Student promotional discount | £5.99 |
In recent years, specialty beverage companies have increasingly capitalised on subscription-based business models. Brands such as BeanRoast and GrindFlow rely heavily on behavioural economics concepts to retain active subscribers. Practices like 'automatic renewal defaults' and monthly 'curated selections' (where a customer's box is automatically chosen and shipped unless they proactively opt-out by a set date) bypass deliberate, rational choice. This system locks consumers into high-margin recurring billing cycles.
However, during the inflationary period of 2023, squeezed household disposable incomes forced many coffee drinkers to re-evaluate their monthly discretionary outlays. While general cancellations rose across premium sectors, value-oriented services like GrindFlow reported a substantial increase in customer acquisition. Subscribers reported that price differences and perceived value for money were primary drivers for canceling their BeanRoast subscriptions, with many migrating directly to GrindFlow's cheaper basic tier. Meanwhile, EcoBrew maintained a highly loyal customer base despite higher prices, with customers citing ethical sourcing as non-negotiable.
To limit churn to generic supermarket alternatives, subscription providers have widely adopted third-degree price discrimination. GrindFlow actively courts younger, highly price-sensitive consumers by offering deep promotional discounts (such as 35% off for students and NHS staff). These demographics exhibit highly elastic demand curves due to tighter budget constraints. Conversely, older, high-income consumers are typically left on standard, high-price auto-renewal plans, exploiting their relative price inelasticity and higher switching friction.
