You may be looking for market research reports from firms like Mintel or Euromonitor regarding the "Silver Economy" or the "Mature Market."

If the query is related to the modeling industry (specifically older demographics):

In software engineering and organizational development, a "mature model" refers to a high level of process improvement. You are likely looking for the CMMI Model V3.0 .

In data science, a "mature model" refers to an algorithm that has been fully trained, validated, and optimized for production.

"Hidden Technical Debt in Machine Learning Systems" by Google researchers.

Could you clarify if you are looking for a , a business strategy , or a specific creative industry report ?

It describes the "Phase 4: Coordination" and "Phase 5: Collaboration" stages, which represent the peak maturity of a business model. 4. Fashion & Advertising