Testing aggregation consistency across geography and commodities
AbstractConsistent aggregation of production data across commodities and Western USA states was tested using Lewbel's generalised composite commodity theorem. The applicability of the generalised composite commodity theorem for testing consistent geographic aggregation was demonstrated and applied to two groups of states. Consistent commodity aggregation was tested in each state for two output groups and three input groups and in one state for a larger number of groups. Most tests for commodity aggregation supported consistent aggregation of inputs but not outputs. Consistent geographic aggregation was supported for each output and input category across Pacific Northwest states but only for inputs across all Western states.
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Bibliographic InfoArticle provided by Australian Agricultural and Resource Economics Society in its journal Australian Journal of Agricultural and Resource Economics.
Volume (Year): 48 (2004)
Issue (Month): 3 (September)
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Other versions of this item:
- Qinghua Liu & C. Richard Shumway, 2004. "Testing aggregation consistency across geography and commodities," Australian Journal of Agricultural and Resource Economics, Australian Agricultural and Resource Economics Society, vol. 48(3), pages 463-486, 09.
- Liu, Qinghua & Shumway, C. Richard, 2003. "Testing Aggregation Consistency Across Geography And Commodities," 2003 Annual meeting, July 27-30, Montreal, Canada 22201, American Agricultural Economics Association (New Name 2008: Agricultural and Applied Economics Association).
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