Late stage capitalism
When parasites have had access to capital for too long and prevent the working class from accessing the capital they work to manufacture
Communist famine
When parasites get a hold of the wealth and it is redistrubed to the parasites instead of the working class that builds the wealth
No matter what economic model you use unless you keep out the parasites they will take away the wealth from the working class then move to a new location when the host is too depleted