Super interesting piece. Another case were expectations (or anticipation) have real effects. "these behaviours can lead to a self-fulfilling prophecy in which people choose not to enter a profession, leading to labour shortages or higher costs, “thereby intensifying firms’ incentives to automate”."
If you think your profession is dying, it could soon be goneYounger workers once foresaw the demise of horse-drawn carriages — but anticipating obsolescence can be self-fulfillinggiftarticle.ft.com