I read Japan's lack of growth as directly stemming from their cultural conservatism. I believe they're among the countries with the lowest immigration and least

I read Japan's lack of growth as directly stemming from their cultural conservatism. I believe they're among the countries with the lowest immigration and least ethnic foreigners living there? It's hard to engage economically with a diverse world when your available viewpoints are less diverse. At some point you reach a ceiling. China has run through the Japanese hypergrowth years (leverage wage disparity, then move up value chain by producing copies of higher value items) and is now in the R&D phase. We'll see how it goes from here.