Earlier quoted context omitted.
>What's worrisome about the immigration trends? Places like the US and Denmark are incredibly non-corrupt, while places like Russia, Brazil, and Nigeria are highly corrupt. Why some places are corrupt and others aren't is poorly understood magic of some sort. One fairly decent guess is something like "cultural factors" - Danish bureaucrats aren't corrupt because they expect that other non-corrupt Danes would punish t…
These “cultural factors” have to do with strong social and economic institutions like public schools and libraries, reasonably fair and legitimate court systems, a free press and freedom of association, a somewhat accountable and accessible political system, stable and reasonably clearly defined property rights, highly functioning distribution networks for basic goods and services, a fluid job market with protection…
The immigration restrictions are a big confounder here. The US is much more likely to let doctors and engineers immigrate. If these folks then have low crime rate, it could either be because of being an immigrant or because of being a professional. If it's more the latter, that isn't great evidence for letting other kinds of immigrants in.