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Registros recuperados: 97
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Self-Perception of Weight and Health and Dietary Quality AgEcon
Lin, Chung-Tung Jordan; Lee, Jonq-Ying.
Tipo: Conference Paper or Presentation Palavras-chave: Perception; Dietary quality; Obesity; Food Consumption/Nutrition/Food Safety.
Ano: 2010 URL: http://purl.umn.edu/61266
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Impact of fresh grapefruit quality on demand AgEcon
Brown, Mark G.; Lee, Jonq-Ying.
This study incorporates quality into the Rotterdam demand system based on utility theory. Quality was modeled through its impact on marginal utility via perceived prices, following theoretical work by Basemann and Barten, among others. Results show that the price elasticity of fresh grapefruit demand is near unitary at the retail level and juice content has had relatively large impacts on fresh grapefruit demand.
Tipo: Report Palavras-chave: Agribusiness; Demand and Price Analysis.
Ano: 1998 URL: http://purl.umn.edu/52821
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The silence of the lambdas: a test of almost ideal and Rotterdam models: comment AgEcon
Brown, Mark G.; Lee, Jonq-Ying.
Tipo: Report Palavras-chave: Rotterdam model; AIDS; Model selection; Comment; Demand and Price Analysis.
Ano: 1993 URL: http://purl.umn.edu/52737
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Asymmetric demand responses: a demand system approach AgEcon
Brown, Mark G.; Lee, Jonq-Ying.
Asymmetry is introduced into the Rotterdam model by allowing the income response to depend on whether real income increases or decreases. Price responses, in turn, are asymmetric through the general and specific substitution terms. Analysis of data on food and three other broadly defined goods suggests presence of asymmetry.
Tipo: Report Palavras-chave: Asymmetric demand response; Rotterdam model; Demand and Price Analysis.
Ano: 1991 URL: http://purl.umn.edu/52719
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A SIMULTANEOUS EQUATION MODEL OF THE ECONOMIC-ECOLOGIC SYSTEM IN CITRUS GROVES AgEcon
Lee, Jonq-Ying; Langham, Max R..
Tipo: Journal Article Palavras-chave: Crop Production/Industries.
Ano: 1973 URL: http://purl.umn.edu/30400
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A DYNAMIC DIFFERENTIAL DEMAND SYSTEM: AN APPLICATION OF TRANSLATION AgEcon
Brown, Mark G.; Lee, Jonq-Ying.
The differential demand system or Rotterdam model is extended to include lagged consumption through translation parameters, allowing habit and inventory effects. Applications of the model to annual U.S. expenditure and weekly juice sales data illustrate the importance of the time interval of an observation on the relative strengths of the habit inventory.
Tipo: Journal Article Palavras-chave: Demand and Price Analysis.
Ano: 1992 URL: http://purl.umn.edu/29646
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EU’s Import Demand for Fresh Grapefruit AgEcon
Lee, Jonq-Ying.
This report provides fresh grapefruit import data regarding European Union 15 (EU-15) and an in-depth look into the share changes for fresh grapefruit imports by country of origin during the period from 1989 through 2006. The Rotterdam demand system was used to study the relationship among the fresh grapefruit imported by the EU-15 from several major Northern Hemisphere grapefruit producing countries. Results suggest that when Florida’s grapefruit industry recovers from the damages caused by hurricanes and diseases, price would decrease and exports to the EU-15 would expect to increase.
Tipo: Report Palavras-chave: EU-15; Fresh grapefruit; Imports; International Relations/Trade.
Ano: 2007 URL: http://purl.umn.edu/36814
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Health and nutrition advertising impacts on the demand for orange juice in fifty Nielsen metropolitan regions AgEcon
Brown, Mark G.; Lee, Jonq-Ying.
Tipo: Report Palavras-chave: Agribusiness; Demand and Price Analysis.
Ano: 1998 URL: http://purl.umn.edu/52819
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Advertising and Product Confusion: A Case Study of Grapefruit Juice AgEcon
Brown, Mark G.; Lee, Jonq-Ying; Behr, Robert M..
Demand relationships for two closely related products -- grapefruit juice and grapefruit-juice cocktail -- were estimated from grocery-store scanner data to analyze the contention that consumer confusion exists between the two products. Results suggest confusion may exist, with grapefruit-juice advertising not only increasing the demand for grapefruit juice but also for grapefruit-juice cocktail.
Tipo: Report Palavras-chave: Advertising; Demand; Grapefruit juice; Cocktail; Scanner data; Agribusiness; Consumer/Household Economics; Demand and Price Analysis.
Ano: 1990 URL: http://purl.umn.edu/52710
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A study of the influence of calcium and pulp claims on orange juice price AgEcon
Lee, Jonq-Ying.
Tipo: Report Palavras-chave: Orange juice; Hedonic price; Pulp; Calcium; Agribusiness; Demand and Price Analysis.
Ano: 2001 URL: http://purl.umn.edu/52883
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At-Home Convenience Food Consumption and BMI AgEcon
Lee, Jonq-Ying; Kilmer, Richard L..
A variation of the household production theory was used to select relevant explanatory variables for the demand for convenience foods. A convenience food index was used to measure the convenience in food preparation. Because of the nature of the measure of convenience, the tobit regression technique was used to examine the importance of these explanatory variables to the demand for convenience foods. Results show that the presence of children in a household increases the demand for convenience, especially in those households that have children of different age groups. Results show that the number of end dishes eaten is positively related to the demand for convenience foods and primary users of convenience foods are non-black, single, and higher income...
Tipo: Conference Paper or Presentation Palavras-chave: Convenience food; Demand; Tobit model; Agricultural and Food Policy; Consumer/Household Economics; Demand and Price Analysis; Food Consumption/Nutrition/Food Safety.
Ano: 2010 URL: http://purl.umn.edu/56428
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Point-of-Sale Nutrition Information and the Demand for Ready-to-Eat Cereals AgEcon
Lin, Chung-Tung Jordan; Gao, Zhifeng; Lee, Jonq-Ying.
Tipo: Conference Paper or Presentation Palavras-chave: Nutrition information; Food demand; Demand and Price Analysis; Food Consumption/Nutrition/Food Safety; D12.
Ano: 2011 URL: http://purl.umn.edu/103167
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An Engel Curve Analysis of Household Expenditure in Taiwan: 1996-98 AgEcon
Chung, Rebecca H.; Lee, Jonq-Ying; Brown, Mark G..
Seven systems of Engel curves for expenditures on ten commodity groups were estimated using Taiwanese household expenditure data for the period from 1996 through 1998. Results show that the estimated expenditure elasticities are insensitive to the choice of functional forms.
Tipo: Conference Paper or Presentation Palavras-chave: Engel curve; Taiwan; Consumer/Household Economics.
Ano: 2002 URL: http://purl.umn.edu/53388
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RESTRICTIONS ON THE EFFECTS OF PREFERENCE VARIABLES IN THE ROTTERDAM MODEL AgEcon
Brown, Mark G.; Lee, Jonq-Ying.
This study examines imposing and testing restrictions on preference variables in the Rotterdam model through the impacts of these variables on marginal utilities. An empirical analysis of the impact of a female labor force participation variable in a Rotterdam demand system for fresh fruit illustrates the methodology. This variable was modeled through its impact on marginal utilities via "adjusted" prices, following theoretical work by Basmann and Barten, among others. Results show that the female labor participation has negatively impacted the demands for citrus, while positively impacting the demands for other fresh fruit.
Tipo: Journal Article Palavras-chave: Demand; Demographic; Fresh fruit; Rotterdam model; Demand and Price Analysis.
Ano: 2002 URL: http://purl.umn.edu/15519
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Impact of the Catalina Coupon Program on the Demand for Grapefruit Juice - A Preliminary Analysis AgEcon
Lee, Jonq-Ying.
Facing a product penetration rate of below 10% for grapefruit juice (GJ), the Florida Department of Citrus (FDOC) has contracted Catalina Marketing for a GJ coupon program for the time period from mid November 2006 through June 2007. The purpose of this study is to estimate the impact of the Catalina coupon program on the sales of GJ in $2MM+ grocery stores in the U.S. Weekly Nielsen ScanTrack sales data for the $2MM+ grocery stores for the time period from week 12/04/04 through 05/05/07 (124 weeks) were used in the analysis. Results show that coupon redemption increased the gallon sales of All GJ and GJ in large containers; therefore, the coupon program had increased the overall sales of GJ.
Tipo: Report Palavras-chave: Agribusiness; Demand and Price Analysis.
Ano: 2007 URL: http://purl.umn.edu/36810
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A Study of the Impact of Tropicana’s Marketing Strategy Changes on OJ Demand AgEcon
Lee, Jonq-Ying.
Tropicana introduced a new package design as part of its advertising and branding campaign, with the theme “Squeeze it’s a Natural in January 2009. Sales of the Tropicana Pure Premium line plummeted 20% between the January and February from the same period a year ago. Tropicana had changed its mind and went back to the earlier packaging at the end of February. This study examined the impact of Tropicana’s package redesign on the sales of Tropicana orange juice and on the sales of all orange juice. Study results show that the package redesign cost Tropicana an estimated $27 million.
Tipo: Report Palavras-chave: Agribusiness.
Ano: 2009 URL: http://purl.umn.edu/104330
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IMPACTS ON U.S. PRICES OF REDUCING ORANGE JUICE TARIFFS IN MAJOR WORLD MARKETS AgEcon
Brown, Mark G.; Spreen, Thomas H.; Lee, Jonq-Ying.
A demand model is developed to examine the impacts on orange juice prices resulting from elimination or reduction of the tariffs on orange juice imposed by the United States, European Union, and Japan. An empirical analysis suggests that elimination of the U.S. tariff by itself would decrease the U.S. orange juice price by about $0.22 per gallon, while simultaneous elimination of the U.S., European, and Japanese tariffs would decrease the U.S. price by about $0.13 per gallon. Alternatively, reducing these tariffs according to the Swiss 25 formula would decrease the U.S. price by an estimated $0.09 per gallon. The U.S. produces about 1.4 billion gallons of orange juice annually and each penny reduction in the price impact increases U.S. orange juice FOB...
Tipo: Journal Article Palavras-chave: Demand and Price Analysis.
Ano: 2004 URL: http://purl.umn.edu/27236
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A study of the demand for orange juice in grocery stores and Wal-Mart stores AgEcon
Lee, Jonq-Ying.
Tipo: Report Palavras-chave: Orange juice; Demand; Grocery stores; Wal-Mart stores; Rotterdam demand system; Agribusiness; Demand and Price Analysis.
Ano: 2004 URL: http://purl.umn.edu/52897
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A study of the impact of grapefruit-drug interaction on the demand for grapefruit juice AgEcon
Lee, Jonq-Ying; Brown, Mark G..
Tipo: Report Palavras-chave: Grapefruit juice; Drug interaction; Demand; Agribusiness; Demand and Price Analysis.
Ano: 2001 URL: http://purl.umn.edu/52884
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A study of the effect of shelf space on sales of fruit beverages AgEcon
Lee, Jonq-Ying.
Tipo: Report Palavras-chave: Fruit beverages; Shelf space; Demand; Agribusiness; Demand and Price Analysis.
Ano: 2001 URL: http://purl.umn.edu/52885
Registros recuperados: 97
Primeira ... 12345 ... Última
 

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