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Temporal and Spatial Aggregation: Alternative Marketing Margin Models
Author(s) -
Lyon Charles C.,
Thompson Gary D.
Publication year - 1993
Publication title -
american journal of agricultural economics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.949
H-Index - 111
eISSN - 1467-8276
pISSN - 0002-9092
DOI - 10.2307/1243560
Subject(s) - econometrics , margin (machine learning) , multivariate statistics , data aggregator , computer science , structural equation modeling , economics , statistics , mathematics , machine learning , computer network , wireless sensor network
The effects of temporal and spatial data aggregation on the performance of alternative marketing margin models is assessed using monthly, quarterly, and semiannual fluid milk prices from three U.S. cities. Nonnested tests for multivariate and single equation models with serial correlation are used to choose among alternative models at each aggregation level. While model choice is affected by temporal and spatial aggregation, model choice becomes more difficult as data are temporally or spatially aggregated.