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CHOICE OF FLEXIBLE FUNCTIONAL FORMS: REVIEW AND APPRAISAL AgEcon
Thompson, Gary D..
Choice between alternative flexible functional forms has received little explicit treatment in many empirical agricultural studies. Theoretical criteria and empirical techniques for choosing between flexible functional forms are reviewed. Theoretical topics include definitions of flexibility, mathematical expansions, separability, and regular regions. Empirical techniques examined are Monte Carlo analysis, parametric modeling, bayesian inference, and nonnested hypothesis testing. Comparison of the full range of theoretical and empirical aspects may provide more credible and reliable empirical estimates when consumer or producer duality assumptions are appropriate in agricultural applications.
Tipo: Journal Article Palavras-chave: Research Methods/ Statistical Methods.
Ano: 1988 URL: http://purl.umn.edu/32127
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DEMAND FOR ORGANIC AND CONVENTIONAL BEVERAGE MILK AgEcon
Glaser, Lewrene K.; Thompson, Gary D..
Sales of organic milk in mainstream supermarkets have grown over the last 8 years, reaching $75.7 million in 1999, as more organic milk processors enter the market and more mainstream supermarkets sell organic products. National-level scanner data for mainstream supermarkets are employed to assess market shares and price premiums, as well as to estimate key demand elasticities. Container size is important in analyzing market shares for organics. Half-gallon containers are the principle organic market with volume shares ranging from 1.6% to 2.8% in 1999. Market shares for quarts and gallons of organic milk are considerably below 0.5%. Price premiums for organic milk averaged 60% of branded prices and 75% of private-label prices during the study period...
Tipo: Conference Paper or Presentation Palavras-chave: Organic foods; Beverage milk; Almost ideal demand system; Demand and Price Analysis.
Ano: 2000 URL: http://purl.umn.edu/36346
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DEMAND FOR ORGANIC AND CONVENTIONAL FROZEN VEGETABLES AgEcon
Glaser, Lewrene K.; Thompson, Gary D..
In this paper, we examine retail sales of organic and conventional frozen vegetables (broccoli, green beans, green peas, and sweet corn) using supermarket scanner data. Descriptive analysis includes comparisons of sales volume, prices, and market shares. Price and expenditure elasticities are estimated using the almost ideal demands system (AIDS).
Tipo: Conference Paper or Presentation Palavras-chave: Organic foods; Frozen vegetables; Almost ideal demand system; Consumer/Household Economics; Demand and Price Analysis.
Ano: 1999 URL: http://purl.umn.edu/21583
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Does Paying Referees Expedite Reviews? AgEcon
Thompson, Gary D.; Aradhyula, Satheesh V.; Frisvold, George B.; Tronstad, Russell.
Time series evidence from the Journal of Agricultural and Resource Economics suggests payments for on-time manuscript reviews can reduce review times. Some evidence suggests the effects of payments may attenuate over time.
Tipo: Conference Paper or Presentation Palavras-chave: Teaching/Communication/Extension/Profession.
Ano: 2004 URL: http://purl.umn.edu/19988
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EMERGENCE OF U.S. ORGANIC AGRICULTURE: CAN WE COMPETE? AgEcon
Klonsky, Karen; Tourte, Laura; Thompson, Gary D.; Lohr, Luanne; Krissoff, Barry.
This compilation of papers for principal papers session PP-03 at the AAEA 1998 Annual Meeting assesses the current status of the organic agriculture industry in the United States. Paper topics address production, market and certification issues faced by the industry, research challenges and emerging conditions shaping domestic and international markets.
Tipo: Working or Discussion Paper Palavras-chave: Production; Marketing; Industry structure; International trade; Certification; Organic agriculture; Industrial Organization; International Relations/Trade; Marketing; Production Economics.
Ano: 1998 URL: http://purl.umn.edu/16704
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GAUGING THE RECENT EFFECTS OF THE NORTH AMERICAN FREE TRADE AGREEMENT AgEcon
Thompson, Gary D.; Cepeda, Ricardo Cavazos.
The impacts of the North American Free Trade Agreement (NAFTA) on North American trade are described and analyzed using a variant of a gravity model. Controlling for the effects of real gross domestic product (GDP) and real exchange rates, the impacts of NAFTA on trade flows are statistically significant and positive in all but one case. Growth in real GDP has contributed to positive trade flows while real exchange rates have also affected trade flows in statistically discernible ways. In general, manufactured goods as well as machinery and transport equipment have benefited most from NAFTA while agricultural products have displayed less dynamic growth.
Tipo: Journal Article Palavras-chave: International Relations/Trade.
Ano: 2002 URL: http://purl.umn.edu/27632
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MARKET DEMANDS FOR BAGGED, REFRIGERATED SALADS AgEcon
Thompson, Gary D.; Wilson, Paul N..
Sales of newly introduced bagged, refrigerated salads grew at over 50% annually, during 1994-95. Consumption of bagged salads displayed marked seasonality despite year-round availability and uniform quality at more stable prices than head lettuce. Using scanner data from 44 areas, a single-equation demand model incorporating the effects of weather on seasonal consumption is estimated. Statistical tests of aggregation indicate that weather-induced seasonality varies significantly across areas, as do own- and cross- price elasticities. Econometric results suggest more seasonality in eating by people living in more northern latitudes, a pattern also observed by psychiatrists studying eating disorders.
Tipo: Journal Article Palavras-chave: Food Consumption/Nutrition/Food Safety.
Ano: 1999 URL: http://purl.umn.edu/30801
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MODEL SELECTION WITH TEMPORAL AND SPATIAL AGGREGATION: ALTERNATIVE MARKETING MARGIN MODELS AgEcon
Lyon, Charles C.; Thompson, Gary D..
Tipo: Working or Discussion Paper Palavras-chave: Marketing.
Ano: 1991 URL: http://purl.umn.edu/13253
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Modeling Florida Fresh Tomato Supply Response: Composite Switching Regressions with Variable Weather-Determined Lags AgEcon
Thompson, Gary D.; Aradhyula, Satheesh V.; Tronstad, Russell.
A supply-response model for Florida fresh tomatoes is specified to analyze the impacts of the U.S. Department of Commerce's suspension agreement which governs imports of fresh tomatoes from Mexico. The particular focus is on the impact of the "reference" price which causes Mexican imports in a given week to cease if import prices in the prior week fall to the reference price. Using weekly weather data, a growing degree day (GDD) variable is constructed which predicts week of first harvest and duration of harvest. The GDD variable is used to construct the appropriate, variable lag length for weekly acres planted in four Florida production regions. A composite switching-regime model is estimated in which the regime prior to the suspension agreement...
Tipo: Conference Paper or Presentation Palavras-chave: International Relations/Trade.
Ano: 2005 URL: http://purl.umn.edu/19378
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NATIONAL DEMAND FOR ORGANIC AND CONVENTIONAL BABY FOOD AgEcon
Thompson, Gary D.; Glaser, Lewrene K..
Tipo: Conference Paper or Presentation Palavras-chave: Demand and Price Analysis; Food Consumption/Nutrition/Food Safety.
Ano: 2001 URL: http://purl.umn.edu/36139
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RECENT CHANGES IN MARKETING AND TRADE PRACTICES IN THE U.S. LETTUCE AND FRESH-CUT VEGETABLE INDUSTRIES AgEcon
Handy, Charles R.; Thompson, Gary D.; Glaser, Lewrene K..
Fifteen lettuce and bagged salad shippers were interviewed as part of a larger study on changes in produce marketing. Retail consolidation, changes in technology, and increased consumer demand for convenience, product diversity, and year-round availability have all influenced shipper-retailer relations. The interviewed firms provided more fees and services to retail buyers in 1999 than 1994. Most of the bagged salad shippers paid slotting fees, while none of the lettuce shippers were currently doing so. Bagged salad firms tended to offer services to their customers, while lettuce firms generally complied with the service requests made by retailers.
Tipo: Report Palavras-chave: Lettuce; Fresh-cut; Bagged salads; Fees; Services; Marketing; Crop Production/Industries; International Relations/Trade; Marketing.
Ano: 2001 URL: http://purl.umn.edu/33601
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RETAIL DEMAND FOR GREENHOUSE TOMATOES: DIFFERENTIATED FRESH PRODUCE AgEcon
Thompson, Gary D..
Fresh tomatoes are highly differentiated products: greenhouse and on-the-vine tomatoes are the most prominent new kinds of tomatoes. Scanner data were used to estimate a weakly separable, quadratic almost-ideal demand system. Uncompensated elasticities indicate (a) considerable own-price response and (b) substitution of greenhouse and on-the-vine for field-grown tomatoes in several metropolitan areas.
Tipo: Conference Paper or Presentation Palavras-chave: Demand and Price Analysis.
Ano: 2003 URL: http://purl.umn.edu/21946
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Social Network Capital and Academic Careers AgEcon
Medicamento, Umberto; Wilson, Paul N.; Rahman, Tauhidur; Thompson, Gary D..
Social Network Capital and Academic Careers: The Case of a College of Agriculture ABSTRACT The relationship between economic performance and various forms of capital anchors a significant portion of mainstream economic theory and applied economics. Human, physical and financial capital represent important factors in the production of goods and services. The label “capital” implies characteristics such as investment, accumulation, maintenance, depreciation, and transfer. Recently, social capital or social network capital (SNC) has received increased scholarly attention in the literature of sociology, business, and economics. Limited analysis, however, has been directed at the role of SNC in the academy. We hypothesize that academic success at the...
Tipo: Conference Paper or Presentation Palavras-chave: Social capital; Academic networks; Human capital; Institutional and Behavioral Economics; Labor and Human Capital; Teaching/Communication/Extension/Profession.
Ano: 2010 URL: http://purl.umn.edu/61072
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THE ADOPTION AND DIFFUSION OF LEVEL FIELDS AND BASINS AgEcon
Anderson, David P.; Wilson, Paul N.; Thompson, Gary D..
Strategic investments in agriculture often are lumpy and irreversible, with significant impacts on operating and fixed costs. Leveling cotton fields to zero slope in central Arizona is a strategic decision made by relatively younger farmers who are farming fine-textured soils in irrigation districts with higher expected water costs. The diffusion of the technology across the region between 1968-89 appears to be both a function of institutional changes (e.g., the Groundwater Management Act of 1980, the Central Arizona Project) and the long-run expected price changes induced by these new policies.
Tipo: Journal Article Palavras-chave: Crop Production/Industries.
Ano: 1999 URL: http://purl.umn.edu/30870
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TIME INTEGRATION: AGRIBUSINESS STRUCTURE FOR COMPETITIVE ADVANTAGE AgEcon
Wilson, Paul N.; Thompson, Gary D..
Tipo: Conference Paper or Presentation Palavras-chave: Agribusiness.
Ano: 2001 URL: http://purl.umn.edu/36100
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U.S. Fresh Fruit and Vegetable Marketing: Emerging Trade Practices, Trends, and Issues AgEcon
Calvin, Linda; Cook, Roberta L.; Denbaly, Mark; Dimitri, Carolyn; Glaser, Lewrene K.; Handy, Charles R.; Jekanowski, Mark D.; Kaufman, Phillip R.; Krissoff, Barry; Thompson, Gary D.; Thornsbury, Suzanne.
In the past year, trade practices between fresh produce shippers and food retailers gained national attention. Shippers are concerned that recent retail consolidation has led to market power and the growing incidence of fees and services. Retailers argue that these new trade practices reflect their costs of doing business and the demands of consumers. Trade practices include fees such as volume discounts and slotting fees, as well as services like automatic inventory replenishment, special packaging, and requirements for third-party food safety certification. Trade practices also refer to the overall structure of a transaction-for example, long-term relationships or contracts versus daily sales with no continuing commitment. This study compares trade...
Tipo: Report Palavras-chave: Produce; Fresh fruit and vegetables; Fresh-cut produce; Trade practices; Fees and services; Slotting fees; Retail consolidation; Produce shipper consolidation; Crop Production/Industries; Marketing.
Ano: 2001 URL: http://purl.umn.edu/33915
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