I like The Economist but unless I am missing something, this seems like really shoddy analysis. I don't think anyone would be surprised that the economy is better in West Bank than in Gaza but I am not sure how confidently anyone can then state that a) this is true specifically for Palestinians or b) that this means life is better for Palestinians in West Bank.
I haven't posted much in this thread because I know enough to know I don't know shit about fuck, but at least per Wikipedia the Israeli population in West Bank has grown by 4.6% CAGR 2000-2018 (the latest date available), more than double the GDP growth cited by The Economist. I suspect that the increasing Israeli population isn't solely responsible for the GDP per person growth but also seems like something that can't be ignored. Even if GDP growth were true for Palestinians in West Bank, given that Israelis have suffered no consequence for literally killing Palestinians and seizing the settlements, I wouldn't be ready to argue that a better economy means life is better in West Bank.
None of this is meant to justify anything that has happened, just to say I am surprised by this lazy journalism and the conclusion from @956 Worldwide that "it is undeniable that it’s better to be a Palestinian there than in Gaza— whether that’s economics or security".