So in the colonial era, of course, you drove down wages by enclosing Commons and dispossessing people and destroying subsistence economies to create massive unemployed people. Today it is through a variety of different mechanisms, the structural adjustment programs that were imposed across the global south by the World Bank and the IMF, which are controlled by the US government primarily.
This is why I come to degrowth from the perspective of anti-imperialism, recognizing that we live in an imperialist world economy. Degrowth is a demand for ending those patterns of net appropriation that sustains such high levels of access consumption in rich nations ... Rich countries should reduce the resources to get back within sustainable levels, while poor countries should reclaim their resources, mobilizing them around meeting human needs with throughput converging globally at a level that's consistent with universal welfare and ecological stability. That is the world we should be imagining and calling for.