How Mather Economics’ Subscription Proficiency Index (SPI) Helps Publishers Increase Engagement & ARPU

At the INMA Subscription Summit in March, I attended a seminar by Mather Economics, where they introduced their SPI methodology. This framework is designed to boost publisher revenues and APRU.

Apr 12, 2025

∙ Paid

In today’s rapidly evolving media landscape, digital subscriptions have become the cornerstone of sustainable growth for news publishers. Yet, while many organisations are investing heavily in digita…

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