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Erscheinungsjahr: 
2019
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[Journal:] Economies [ISSN:] 2227-7099 [Volume:] 7 [Issue:] 2 [Article No.:] 52 [Publisher:] MDPI [Place:] Basel [Year:] 2019 [Pages:] 1-14
Verlag: 
MDPI, Basel
Zusammenfassung: 
Since the early 1990s, there have been larger and increasing labor productivity differences across industries in Japan. More specifically, a clear pattern of sigma and beta divergence across industries is observed. To shed light on these stylized facts, we first evaluate the input-output structure of Japan through the lens of a community-detection algorithm from network theory. Results from this analysis suggest the existence of two input-output network structures: a densely-connected group of industries (a stationary community), whose members remain in it throughout the period; and a group of industries (a transitional community) whose members do not belong to this first group. Next, we re-evaluate the industrial divergence pattern of Japan in the context of each network structure. Results suggest that divergence is mostly driven by the transitional community. Interestingly, since 2007, a pattern of sigma convergence started to re-appear only in the stationary community. We conclude suggesting that industrial divergence and instability in community membership are not necessarily indicative of low productivity performance.
Schlagwörter: 
communities
input-output networks
productivity
convergence analysis
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