342510document113469gu-et-al-2026-china-s-demographic-dividend-has-moved-from-age-based-labor-supply-to-skill-based-productivity.pdfapplication/pdf025a8ab821c913015fdce47c14ef3106MD566610302026-04-10 07:10:33https://pure.iiasa.ac.at/id/eprint/21465/1/gu-et-al-2026-china-s-demographic-dividend-has-moved-from-age-based-labor-supply-to-skill-based-productivity.pdf