In war and in peace, inevitable, self-perpetuating economies arise around the smuggling of illicit goods.
The pendulum swing of politics has a funny way of self-perpetuating.
Independent voters increasingly see both parties as captives of corrupt, self-serving and self-perpetuating political machinery.
Long-term unemployment isn't special just because it's longer; it's special because it's self-perpetuating.
Turning themselves into third-rate countries in a self-perpetuating, self-feeding process of decline.
The nature of habit is to be assertive, insistent, self-perpetuating.
The proposal contained within itself that self-perpetuating power, for which the schemes of slave-owners are so remarkable.
They are all self-perpetuating, yet always passing into new forms.
The body was self-perpetuating and very careful to maintain its respectability in the election of new members.
If the plan makes no provision for bad years, it cannot be self-perpetuating.