Scandinavian Working Papers in Economics

SSE/EFI Working Paper Series in Economics and Finance,
Stockholm School of Economics

No 624: Lifetime Employment in Japan: Concepts and Measurements

Hiroshi Ono ()
Additional contact information
Hiroshi Ono: Texas A&M University, Postal: Department of Sociology, 416 Academic Building, College Station, TX 77843-4351, USA

Abstract: This paper poses three fundamental questions about lifetime employment in Japan: How big is it? How unique is it? And, how is it changing? I examine different concepts and methods for estimating lifetime employment and conclude that it covers roughly 20 percent of the Japanese labor force. Job mobility remains considerably lower in Japan than in other economies (particularly the U.S.). Evidence regarding changes in lifetime employment is mixed. The share of workers in the core, an ex-ante measure of lifetime employment, is declining. But the probability of job separations has remained stable for those who are already in the system. I also find evidence that the incentives among workers, managers and executives are aligned to preserve the lifetime employment system.

Keywords: Lifetime employment; job mobility

JEL-codes: J24; J42; J62

59 pages, First version: March 28, 2006. Revised: April 6, 2007.

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Published as
Hiroshi Ono, (2010), 'Lifetime Employment in Japan: Concepts and Measurements', Journal of the Japanese and International Economies, vol 24, no 1, pages 1-27

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