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Data Aggregation and Vertical Price Transmission: An Experiment with German Food Prices AgEcon
von Cramon-Taubadel, Stephan; Loy, Jens-Peter; Meyer, Jochen.
The impact of cross sectional aggregation over individual retail stores on the estimation and testing of vertical price transmission between the wholesale and retail levels is investigated using a unique data set of individual retail prices in Germany. Systematic differences between the results of estimations using aggregated data on the one hand, and disaggregated data on the other, are discussed theoretically and confirmed empirically. The results suggest that estimation with aggregated data generates misleading conclusions about price transmission behavior at the level of the individual units (i.e. retail stores) that underlie these aggregates.
Tipo: Conference Paper or Presentation Palavras-chave: Aggregation; Vertical Price Transmission; Food Prices; Germany; Demand and Price Analysis; Marketing; L11; D40.
Ano: 2006 URL: http://purl.umn.edu/25291
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IMPACT ANALYSIS OF FOOD POLICY RESPONSE ON HOUSEHOLD FOOD SECURITY: THE CASE OF SOUTH AFRICA’S MAIZE SUBSECTOR AgEcon
Vermeulen, Hester; Ndibongo Traub, Lulama; Meyer, Ferdinand H..
This study quantifies the possible income and nutritional impact of the recent commitment by the South African Department of Agriculture to increase budgetary spending on agricultural development. Three levels of models are utilized. The first, a large-scale partial equilibrium model, generated an outlook for maize grain under two possible future scenarios; the first is the baseline scenario under which it is assumed no additional government investment in the agricultural sector takes place, the second allows for the impact of an investment within the maize subsector large enough to increase local maize production by 15% above the baseline. The second model, a rational distributed lag model, links the grain sector to the maize meal down-stream market....
Tipo: Conference Paper or Presentation Palavras-chave: Partial Equilibrium Model; Vertical Price Transmission; Household Food Security.; Agricultural and Food Policy; Consumer/Household Economics; Demand and Price Analysis; Food Consumption/Nutrition/Food Safety; Food Security and Poverty; Marketing; C22; C32; C53; D1; Q11; Q18.
Ano: 2009 URL: http://purl.umn.edu/51396
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VERTICAL PRICE TRANSMISSION IN DIFFERENTIATED PRODUCT MARKETS: A DISAGGREGATED STUDY FOR MILK AND BUTTER AgEcon
Loy, Jens-Peter; Holm, Thore; Steinhagen, Carsten.
Tipo: Presentation Palavras-chave: Vertical Price Transmission; Threshold Error Correction Model; Dairy Products; Brands; Retail Market; Germany; Agribusiness; Demand and Price Analysis; Food Consumption/Nutrition/Food Safety; Marketing; C32; D21; L11; L81.
Ano: 2012 URL: http://purl.umn.edu/123284
Registros recuperados: 3
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