What about ? ...By elites I mean the small percentage of population that concentrates social power in their hands. ...[I]t's a neutral definition. It… - Peter Turchin

We have analyzed CrisiDB because there's plenty of data on weather proxies. ...Weather, climate worsening seems to serve often as a trigger for crisis. But the key question is whether the societies have resilience... When populations are not immiserated and elites are not overproduced the social stability and resilience is very high, and societies adjust reasonably well to climate shocks. It's really when drivers for instability have been working for a while, that's when the climate can often serve as the trigger.

GDP per capita shows no break in the 1970s. It slowed down... around the financial crisis of 2007–2008...

[E]ssentially the effect of increasing the number of wealth holders is translated into increased competition for political positions.