Time Affluence and Human-Capital Hollowing: Reassessing Japan's Post-Bubble Social Settlement

Takao Kataoka () and Danyang Xie ()
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Takao Kataoka: School of Commerce, Waseda University
Danyang Xie: Thrust of Innovation, Policy, and Entrepreneurship, the Society Hub, The Hong Kong University of Science and Technology (Guangzhou)

No 810, CEMA Working Papers from China Economics and Management Academy, Central University of Finance and Economics

Abstract: Japan's post-bubble decades are usually described as stagnation. This paper asks what was lost, preserved, and reallocated. Using harmonized data from UNDP, OECD, and Japanese government and survey sources, we document five stylized facts for 1980-2025. Japan's HDI advantage over the very-high-HDI group narrowed but persisted, with income and education weakening while health remained strong. Working time fell sharply: annual hours declined from 2,121 in 1980 to 1,617 in 2024, and the 60-hour weekly tail fell from 21.2% in 1988 to 7.5% in 2022. Yet overwork risk persisted in administrative recognition data: recognized compensation cases reached 1,296 in FY2024, with mental-disorder recognitions much more prominent, although the series cannot isolate incidence from awareness, reporting, or administrative change. Real wages stagnated even as labor scarcity and leisure preferences increased. The main forward-looking vulnerability is human capital: Japan's relative education index fell to parity with the very-high-HDI group, and household education spending diverged from peer economies. We argue that Japan's post-bubble equilibrium is neither social failure nor welfare success, but a time-rich, skill-thin settlement: resilient in health and order, yet constrained by stagnant wages, hidden overwork, mental-health risk, and underinvestment in advanced skills.

Keywords: Japan; lost decades; working hours; karoshi; leisure; human capital; well-being; labor market. (search for similar items in EconPapers)
JEL-codes: J22 J24 J28 J31 (search for similar items in EconPapers)
Pages: 26 pages
Date: 2026-06
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