DOES CONSISTENT AGGREGATION REALLY MATTER?

C. Richard Shumway and George C. Davis

No 12966, Ag Econ Series from Washington State University, School of Economic Sciences

Abstract: Consistent aggregation assures that behavioral properties, which apply to disaggregate relationships also, apply to aggregate relationships. The agricultural economics literature is reviewed which has tested for consistent aggregation or measured statistical bias and/or inferential errors due to aggregation. Tests for aggregation bias and errors of inference are conducted using indices previously tested for consistent aggregation. Failure to reject consistent aggregation in a partition did not entirely mitigate erroneous inference due to aggregation. However, inferential errors due to aggregation were small relative to errors due to incorrect functional form or failure to account for time series properties of data.

Keywords: Research Methods/ Statistical Methods (search for similar items in EconPapers)
Date: 2000
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Persistent link: http://EconPapers.repec.org/RePEc:ags:wsuaes:12966

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