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AIDS VERSUS THE ROTTERDAM DEMAND SYSTEM: A COX TEST WITH PARAMETRIC BOOTSTRAP AgEcon
Dameus, Alix; Richter, Francisca G.-C.; Brorsen, B. Wade; Sukhdial, Kullapapruk Piewthongngam.
A Cox test with parametric bootstrap is developed to select between the linearized version of the First-Difference Almost Ideal Demand System (FDAIDS) and the Rotterdam model. A Cox test with parametric bootstrap has been shown to be more powerful than encompassing tests like those used in past research. The bootstrap approach is used with U.S. meat demand (beef, pork, chicken, fish) and compared to results obtained with an encompassing test. The Cox test with parametric bootstrap consistently indicates the Rotterdam model is preferred to the FDAIDS, while the encompassing test sometimes fails to reject FDAIDS.
Tipo: Journal Article Palavras-chave: Research Methods/ Statistical Methods.
Ano: 2002 URL: http://purl.umn.edu/31126
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CARIBBEAN DEMAND OF U.S. AND REST-OF-THE-WORLD STARCHY FOOD (WHEAT, RICE, CORN, AND FRESH POTATOES): A RESTRICTED SOURCE DIFFERENTIATED ALMOST IDEAL DEMAND SYSTEM AgEcon
Dameus, Alix; Tilley, Daniel S.; Brorsen, B. Wade.
This study provides elasticity estimates of the Caribbean demand for U. S. and Rest-of-the-World starchy foods (unmilled wheat and flour, rice, corn and fresh potatoes) using the Restricted Source Differentiated Almost Ideal Demand System (RSDAIDS) model. Caribbean per capita import demand curves for U.S. and Rest-of-the-World (ROW) are own-price unitary elastic for U. S. wheat, and own-price inelastic for U.S. rice and ROW wheat and rice. The implication is that reductions by any means in U. S. or ROW export prices of wheat and rice will increase U.S. or ROW exported quantities in the Caribbean, while at the same time securing food security through import quantity in the Caribbean. Wheat is not produced in the Caribbean. U. S. wheat price policy oriented...
Tipo: Working or Discussion Paper Palavras-chave: Caribbean demand; Elasticity estimates; Food security; Price policies; Restricted Source Differentiated Almost Ideal Demand System (RSDAIDS); Starchy food; Food Consumption/Nutrition/Food Safety.
Ano: 2000 URL: http://purl.umn.edu/25232
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AIDS VERSUS ROTTERDAM: A COX NONNESTED TEST WITH PARAMETRIC BOOTSTRAP AgEcon
Dameus, Alix; Brorsen, B. Wade; Sukhdial, Kullapapruk Piewthongngam; Richter, Francisca G.-C..
A Cox nonnested test with parametric bootstrap is developed to select between the linearized version of the First Difference Almost Ideal Demand System (FDAIDS) and the Rotterdam model. The Cox test with parametric bootstrap is expected to be more powerful than the various orthodox tests used in past research. The new approach is then used for U. S. meat demand (beef, pork, and chicken) and compared to results obtained with an orthodox test. The orthodox test gives inconsistent results. In contrast, under the same varied conditions, the Cox test with parametric bootstrap consistently indicates that the Rotterdam model is preferred to the FDAIDS.
Tipo: Conference Paper or Presentation Palavras-chave: Demand and Price Analysis.
Ano: 2001 URL: http://purl.umn.edu/20453
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