Found 2 comments on HN
jdminhbg · 2019-04-24 · Original thread
For an opposite perspective, Bryan Ward-Perkins' "The Fall Of Rome: And the End of Civilization" is a readable-by-the-layperson argument that the end of Roman authority in Western Europe resulted in significant falls in trade, health, literacy, cultural achievement, and more:
johngossman · 2015-11-27 · Original thread
There's been a lot of recent interest in this topic. For example:

Summary is that though Rome didn't fall overnight, there was a massive economic collapse first in the west and then several centuries later in the east (the latter coming on the heals of a devastating outbreak of the plague).

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