摘要：This paper discusses competition policy, in particular anti-monopoly policy and the development of a new systemof industrial concentration in Germany after World War . When examining industrial concentration in Germany, thecooperative mechanisms for corporations are the most characteristic manifestation of corporate group systems.Large corporate group systems evolved during the dissolution and reconcentration of monopolies after the war. Antimonopolypolicy influenced new developments in the system of large corporate groups. Therefore, this paperdiscusses anti-monopoly policy and the restructuring of a system for large corporate groups. It first examinesinfluence of the US occupation policy on monopolies in relation to monopoly deconcentration policy and antimonopolypolicy in Germany. Next it analyzes anti-monopoly policy reform. Furthermore, it considers therestructuring of corporate group systems in relation to the dissolution of monopolies under the occupation policy andtheir reconcentration in the latter half of the 1950s. Drawing on this discussion, how large business operations wererestructured through reconcentration or concentration, and how, as a result, divisions of labor in business domainsdeveloped in response to oligopolistic competition will be clarified.
关键词：Anti-monopoly policy; Deconcentration of Monopolies;Industrial concentration; Inter-firm relationship; Large corporate;groups; Reconcentration of Monopolies; Restrictive Trade Practices;Act
