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Analysis of labor productivity using large-scale data of firm’s financial statements

  • Focus Section on Applications of Physics in Financial Analysis
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Abstract

We investigated labor productivity distribution by analyzing large-scale financial statement data consisting of listed and unlisted Japanese firms to clarify the characteristics of the Japanese labor market. Both high and low productivity sides of the labor productivity distribution follows the power-law distribution. Large inequality in the low productivity side was observed only for the manufacturing sectors in Japan fiscal year (JFY) 1999 and observed for both the manufacturing and non-manufacturing sectors in JFY 2002. The decline in the Japanese GDP in JFY 1999 and JFY 2002 were coincided with the large inequality in the low productivity side of the distribution. A lower peak was found for all non-manufacturing sectors. This might be the origin of the low productivity of the non-manufacturing sectors reported in recent economic studies.

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Authors and Affiliations

  1. Hitachi Research Laboratory, Hitachi Ltd, 7-1 Omika, Hitachi, Ibaraki, 319-1221, Japan

    Y. Ikeda

  2. College of Science and Technology, Nihon University, 7-24-1 Narashino-dai, Funabashi, Chiba, 274-8501, Japan

    W. Souma

  3. ATR Laboratories, 2-2-2 Hikari-dai, Seika-chou, Kyoto, 619-0288, Japan

    H. Aoyama

  4. Department of Physics, Kyoto University, Kyoto, 606-8501, Japan

    Y. Fujiwara

  5. Department of Physics, Niigata University, Ikarashi, Niigata, 950-2181, Japan

    H. Iyetomi

Authors
  1. Y. Ikeda
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  2. W. Souma
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  3. H. Aoyama
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  4. Y. Fujiwara
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  5. H. Iyetomi
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Correspondence to Y. Ikeda.

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Ikeda, Y., Souma, W., Aoyama, H. et al. Analysis of labor productivity using large-scale data of firm’s financial statements. Eur. Phys. J. B 76, 491–499 (2010). https://doi.org/10.1140/epjb/e2009-00421-y

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  • DOI: https://doi.org/10.1140/epjb/e2009-00421-y

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