Exploratory Study on Selected Philippine Agricultural Commodity Import Statistics vis-Ã -vis Export Statistics of the Exporting Countries
AbstractUsing the import data compiled by the Philippines and comparing these with data as reported by the exporting countries, this study aims to determine the disparity of the statistics from the two sources on the quantity and value of selected agricultural commodities for the years 2000 to 2005. The products covered by this study consist of wholly or semi-milled rice, maize (corn), live poultry, domestic fowls, ducks, geese, frozen meat of bovine animals, apples, oranges, onions and shallots, and garlic. The differences in statistics on the bilateral transactionsâ”€in terms of FOB values, quantities, and derived unit pricesâ”€are examined by using percentage differences, the implicit minimal measurement error (IMME), and the Wilcoxon Matched-Pair Signed-Ranks (Wilcoxon-MPSR) test. Results show that considerable discrepancies between import and export statistics do exist. The discrepancy may reflect both legitimate conceptual differences between Philippine imports and exports statistics of the exporting countries, as well as errors in reporting. The discrepancy is further substantiated by the results of the Wilcoxon-MPSR test, which show that these differences are significant.
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Bibliographic InfoArticle provided by Southeast Asian Regional Center for Graduate Study and Research in Agriculture in its journal Asian Journal of Agriculture and Development.
Volume (Year): 5 (2008)
Issue (Month): 2 (December)
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Find related papers by JEL classification:
- Q11 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Agriculture - - - Aggregate Supply and Demand Analysis; Prices
Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
- van Bergeijk, Peter A G, 1995. "The Accuracy of International Economic Observations," Bulletin of Economic Research, Wiley Blackwell, vol. 47(1), pages 1-20, January.
- Yeats, Alexander J., 1995. "Are partner-country statistics useful for estimating"missing"trade data?," Policy Research Working Paper Series 1501, The World Bank.
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