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

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

Here we use the Cross-National Time-Series Data Archive for the US, UK, and several major Western European countries to assess these structural-demographic predictions.

My colleague has expressed a pessimistic view in his book The Great Leveler... where he says the death is the great leveler so... a major violent shock is needed to reverse the economic inequality. I... look at this a bit more optimistically. Essentially entering into the crisis is relatively stereotypical, that's what our CrisisDB investigations show... [I]t's really conflict that plays a key role, together with mass organization. But the exit is usually contingent, and in fact there could be both good and bad outcomes, as indicated in this graph. Sometimes the decline is mild and followed by rapid recovery, but you... can also have complete collapse.