A steady state economy is the sustainable solution to limits to growth. It mildly fluctuates in size, and does not exceed ecological limits.
Lecture 3 Steady State Growth in Keynesian Economy
Steady-state economy - Wikipedia
Three Glimmers of Hope for an Economic Transformation
What if marriage was mandatory in Japan? Can something like this potentially fix its declining population problem? - Quora
Measuring progress in the degrowth transition to a steady state
The Transition from Uneconomic Growth to Sustainability - ppt download
Economic growth - Wikipedia
Economia del Benestar (IV)
Briefing Papers – CASSE
The Steady State Economy: Limits to Economic Growth? - THRIVE blog
Top 10 Policies for a Steady State Economy
1. calculate the per effective worker production
Is the immigration of young foreigners China's only answer to their looming demographic collapse? - Quora
What financial incentives have been offered in jurisdictions with low birth rates, and why have they not been effective? - Quora
Life in a 'degrowth' economy, and why you might actually enjoy it