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Network Structure of Japanese Firms Hierarchy and Degree Correlation: Analysis from 800,000 Firms
Konno, Tomohiko - 2008
We found hierarchical structure and negative degree correlation in firms' transaction network. The network consists of 800,000 Japanese firms. We also summarize other features of the network and discuss why studying network structure is important. We also found scale free distribution in...
Persistent link: https://www.econbiz.de/10010298575
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Network structure of Japanese firms. Scale-free, hierarchy, and degree correlation: analysis from 800,000 firms
Konno, Tomohiko - In: Economics: The Open-Access, Open-Assessment E-Journal 3 (2009) 2009-31, pp. 1-13
We analyze fundamental characteristics of the inter-firm transaction network through the data of 800,000 Japanese firms. We find that there exists a hierarchical structure and a negative degree correlation in this transaction network. We also find that this undirected network is a scale-free...
Persistent link: https://www.econbiz.de/10010298815
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Regulatory reform and market opening in Japan
Tilton, Mark - 1997
high prices and discourage imports into Japanese markets. The paper also argues that Japan's weak anti …-wheeling markets. Liberal reformist measures in Japan are animportant corrective and supplement to mercantilist policy, but are not … likely tofundamentally transform Japan's political-economic system …
Persistent link: https://www.econbiz.de/10010304103
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Measuring business sector concentration by an infection model
Düllmann, Klaus - 2006
Results from portfolio models for credit risk tell us that loan concentration in certain industry sectors can substantially increase the value-at-risk (VaR). The purpose of this paper is to analyze whether a tractable "infection model" can provide a meaningful estimate of the impact of...
Persistent link: https://www.econbiz.de/10010295911
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Banking consolidation and small businessfinance: empirical evidence for Germany
Marsch, Katharina; Schmieder, Christian; Forster-van … - 2007
Since the early 1990s an unprecedented process of consolidation has taken place in the banking sector in most industrialised countries raising concern of policymakers that it may reduce access to credit for the small business sector. While most of the existing empirical studies have focused on...
Persistent link: https://www.econbiz.de/10010295928
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Firmenzusammenschlüsse in der Ernährungswirtschaft
Weiss, Christoph R. - 2000
Eine Welle von Fusionen hat die Weltwirtschaft erfasst. Allein die Dimension der bei Großfusionen genannten Summen, die nicht selten das Bruttoinlandsprodukt von Volkswirtschaften übersteigen, führen zu einem erheblichen Maß an Verunsicherung. Dies wird auch in den Überschriften von...
Persistent link: https://www.econbiz.de/10010297113
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Die Zyklik der Profite in der Ernährungswirtschaft: Ein internationaler Vergleich.
Koerner, Julia; Weiss, Christoph R. - 2001
Im Rahmen des Struktur-Verhaltens-Ergebnis-Ansatz analysiert der vorliegende Aufsatz die Determinanten und die Zyklik der Profite verschiedener Branchen der Ernährungswirtschaft in Deutschland, den USA sowie den Niederlanden. Aus der Schwankung der Profite im Zeitablauf lassen sich, bei...
Persistent link: https://www.econbiz.de/10010297118
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Bestimmungsgründe der regionalen Marktstruktur im deutschen Lebensmitteleinzelhandel
Drescher, Klaus; Weiss, Christoph R. - 2001
Die öffentliche Diskussion über die Struktur des Lebensmitteleinzelhandels in Deutschland ist durch die Sorge über ein hohes Niveau (bzw. die weitere Zunahme) der Konzentration auf Unternehmensebene sowie eine Abnahme der Zahl der Verkaufsstätten geprägt. Die vorliegende Arbeit sucht nach...
Persistent link: https://www.econbiz.de/10010297121
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Buyer Power and Product Innovation: Empirical Evidence from the German Food Sector.
Weiss, Christoph R.; Wittkopp, Antje - 2003
Substantial increases in retail concentration (particularly in Europe) raise concerns about the welfare implications for consumers. In a formal model, we argue that retailer market power reduces upstream firms incentives to introduce new products. On the basis of a survey of firms in German food...
Persistent link: https://www.econbiz.de/10010297131
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Buyer Power and Innovation of Quality Products: Empirical Evidence from the German Food Sector.
Weiss, Christoph R.; Wittkopp, Antje - 2003
The last couple of decades have seen an increased retail concentration around the world, particularly in Europe. Views on the welfare implications of this severe change are controversial. Consumers might benefit because larger stores (owned by larger retailer chains) offer more product choices....
Persistent link: https://www.econbiz.de/10010297135