How to Implement Strategic Foresight (and Why), by Alberto Behar and Sandile Hlatshwayo
Scenario Planning and Policy Gaming
This 2021 IMF Guidance Note is a good introduction to foresight and policy planning, focusing on scenarios and gaming. It builds on IMF’s experience using these tools to surface assumptions, generate alternative perspectives, and embrace uncertainty.
The premise is that the future is unknowable, but it is imaginable.
You can find the full text here.