JOURNAL ARTICLE
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Das Preisverhalten des konzentrierten und des nicht konzentrierten Industriebereichs 1966-1976
Journal of Contextual Economics – Schmollers Jahrbuch, Vol. 100 (1980), Iss. 5 : pp. 453–484
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Stahlecker, P.
Ströbele, W.
Abstract
The authors examine the hypothesis of price-rigidity in German industry. In this context an important statement, made 1978 by the "Monopolkommission" is discussed, which said, that there do not exist any significant differences between concentrated and non-concentrated industries concerning their behaviour during the cycle. The validity of Spearman's test on rank-correlation, which was used in the empirical investigation of the "Monopolkommission", is debated. Using Wilcoxon's test with rank-sums the authors come to the conclusion, that in certain phases of the cycle there do show up different patterns of behaviour. Some acceptable theoretical explanations of the observed phenomena are offered.