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Long memory and aggregation in macroeconomic time series

Chambers, MJ (1998) 'Long memory and aggregation in macroeconomic time series.' International Economic Review, 39 (4). 1053 - 1072. ISSN 0020-6598

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This paper explores the interaction between long memory and aggregation. Results are derived which link the (possibly fractional) orders of integration of the aggregate series with those of the underlying series when the aggregation is either cross-sectional or temporal (in discrete or continuous time). These results provide empirically testable hypotheses which are examined using six U.K. macroeconomic series. A semiparametric method is found to be broadly consistent with the implications of the theory, but fully parametric ARFIMA models show considerable variation. Each series appears to be integrated of an order of between one and one-and-a-half.

Item Type: Article
Subjects: H Social Sciences > HB Economic Theory
Divisions: Faculty of Social Sciences > Economics, Department of
Depositing User: Jim Jamieson
Date Deposited: 08 Jul 2012 16:45
Last Modified: 05 Feb 2019 18:15

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