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Registros recuperados: 44
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DYNAMIC ECONOMIC ANALYSIS OF A RESIDUE MANAGEMENT SYSTEM IN COTTON AgEcon
Paudel, Krishna P.; Lohr, Luanne.
Residue management system (RMS), comprised of no till cultivation, a winter cover crop, and poultry litter, could be an alternative to existing management system in cotton production in the Georgian Piedmont. We compare the productivity and profitability of RMS with the current system over time, focusing on the role of organic matter. Using dynamic bioeconomic modelling technique, we show that the net return and land value difference between these two systems increase as the terminal period increases. We conclude that if financial and capital markets based on organic matter work efficiently, farmers will choose RMS in cotton production.
Tipo: Working or Discussion Paper Palavras-chave: Residue management; Organic matter; Productivity; Crop Production/Industries.
Ano: 1998 URL: http://purl.umn.edu/16677
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Perceptions of Rural Air Quality: What Will the Neighbors Think? AgEcon
Lohr, Luanne.
Individuals exposed to odors from livestock facilities do not report annoyance uniformly. The reaction to a detectable odor depends on perceptions of the odor and its source which are mediated by odor attributes and personal factors. Correlations among these factors were tested in a rural context using date from a pilot study of seventeen households neighboring two swine operations in Michigan. Annoyance was measured as the impact of the neighboring facility on enjoyment of property. Characterization of odor as a problem was positively correlated with offensiveness, frequency and duration of exposure. Annoyance was negatively correlated with term of residence, current employment on a farm, and acquaintance with the facility owner. Annoyance was positively...
Tipo: Journal Article Palavras-chave: Correlation analysis; Environmental annoyance; Manure management; Odor nuisance; Agribusiness; Community/Rural/Urban Development; Environmental Economics and Policy.
Ano: 1996 URL: http://purl.umn.edu/90381
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FACTORS AFFECTING INTERNATIONAL DEMAND AND TRADE IN ORGANIC FOOD PRODUCTS AgEcon
Lohr, Luanne.
This paper describes important markets for organic foods in Europe, Japan, and North America. The effects on demand of price premiums, distribution channels, consumer characteristics, and key consumer issues (price-quality trade off, country of origin, GMO content, and social process) are discussed.
Tipo: Working or Discussion Paper Palavras-chave: International Relations/Trade.
Ano: 2001 URL: http://purl.umn.edu/16674
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ORGANIC PEST MANAGEMENT DECISIONS: A SYSTEMS APPROACH AgEcon
Park, Timothy A.; Lohr, Luanne.
Organic farmers make system-level crop protection decisions that combine complementary insect, disease, nematode, and weed management strategies. Data from a national survey of U.S. organic farmers were used in a multivariate count data model to identify the farm and regional factors influencing adoption across the linked pest management categories. The results showed that weed management requires the greatest management effort by organic farmers. More intensive information-seeking and on-farm experimentation, higher educational attainment, and intensity of commitment to organic farming were positively related to the number of weed control strategies adopted. Predictions of adoption based on this model and customized to farm and region specifications...
Tipo: Conference Paper or Presentation Palavras-chave: Crop Production/Industries.
Ano: 2003 URL: http://purl.umn.edu/22070
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ORGANIC PEST MANAGEMENT DECISIONS: A SYSTEMS APPROACH AgEcon
Park, Timothy A.; Lohr, Luanne.
Organic farmers make system-level crop protection decisions that combine complementary insect, disease, nematode, and weed management strategies. Data from a national survey of U.S. organic farmers were used in a multivariate count data model to identify the farm and regional factors influencing the intensity of adoption across the linked pest management categories. The results showed that weed management is of greatest concern to organic farmers. More intensive information-seeking and on-farm experimentation, higher educational attainment, and intensity of commitment to organic farming were positively related to the number of weed control strategies adopted. Predictions of adoption intensity based on this model and customized to farm and region...
Tipo: Working or Discussion Paper Palavras-chave: Farm Management.
Ano: 2002 URL: http://purl.umn.edu/16655
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Improving Extension Effectiveness for Organic Clients: Current Status and Future Directions AgEcon
Lohr, Luanne; Park, Timothy A..
Responses from a national survey of U.S. organic farmers indicated dissatisfaction with the extension service. An ordered probit model was used to identify the factors influencing effectiveness ratings of extension advisors by farmers. Study findings show that part-time, higher income organic farmers who used a variety of highly rated private-sector information sources rated extension providers as more effective. Farmers in the Northeast and West regions rated extension usefulness more highly than in other regions. Not accounting for these demographic components in effectiveness ratings may result in under- or overestimation of results of organic-targeted extension programs. Extension agents can improve their usefulness to organic farmers by complementing...
Tipo: Journal Article Palavras-chave: Extension service; Ordered probit model; Organic farming; Teaching/Communication/Extension/Profession.
Ano: 2003 URL: http://purl.umn.edu/31055
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RECONCILING ATTITUDES AND BEHAVIOR IN ORGANIC FOOD RETAILING AgEcon
Lohr, Luanne; Semali, Adelin.
For organic food to reach the average consumer will require greater penetration into conventional supermarkets. Product placement can be expanded into more stores by altering attitudes that lower the probability of selling organic foods. This study identified significant factors in the retail decision to sell organic foods and quantifies the effects of retailer attitudes on behavior. We used a probit model to quantify the effect of customer demographics, store characteristics, manager characteristics, and profitability of organic retailing on the decision to sell organic foods. The model was based on interview data collected in Atlanta, Georgia from 66 retailers who sell organic foods and 21 who do not. Our research indicates that organic education...
Tipo: Conference Paper or Presentation Palavras-chave: Marketing.
Ano: 2000 URL: http://purl.umn.edu/21855
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Labor Pains: Valuing Seasonal versus Year-Round Labor on Organic Farms AgEcon
Lohr, Luanne; Park, Timothy A..
Although organic farm activities seem to demand year-round employees, seasonal workers dominate the organic labor market. We use the elasticity of complementarity to assess input substitutability and predict adjustments. Farm size and farm workers are complementary inputs. Incentives that encourage farmers to expand employment of year-round and seasonal workers raise the marginal product and rates of return to organic acreage in relative wage payments. A commitment to local sales reduces organic farm incomes. A shift to local sales leads to decreased use of seasonal workers but at higher wages, with smaller adjustments in the wages of year-round workers.
Tipo: Report Palavras-chave: Elasticity of complementarity; Labor management; Organic farming; Returns to scale; Seasonal workers; Labor and Human Capital.
Ano: 2009 URL: http://purl.umn.edu/54549
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ATTRIBUTES OF IDEAL SOIL SUBSTITUTES: RESULTS OF A SURVEY OF DEMAND SECTORS AgEcon
Lohr, Luanne.
This paper describes preferences for attributes of ideal soil substitutes reported by industry demand segments, and relates those attributes to willingness to pay for soil substitutes. Regression results on principal components indicate that concern over product stability, safety and environmental protection induce higher willingness to pay for ideal soil products.
Tipo: Working or Discussion Paper Palavras-chave: Compost; Markets; Principal components; Product attributes; Demand and Price Analysis; Farm Management.
Ano: 1996 URL: http://purl.umn.edu/16719
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Assessing the Technical and Allocative Efficiency of U.S. Organic Producers AgEcon
Park, Timothy A.; Lohr, Luanne.
We develop measures of technical and allocative efficiency of producers in marketing certified organic products. A stochastic output distance frontier and the associated revenue share equations are estimated using comprehensive U.S. data on certified organic producers. Farm-level measures of technical efficiency are calculated and factors that enhance performance are identified. Factors that systematically influence allocative efficiency are assessed. The revenue mix of organic producers is systematically inefficient as both male and female producers rely too heavily on revenue from organic markets relative to conventional outlets.
Tipo: Journal Article Palavras-chave: Organic farming; Stochastic frontier; Technical and allocative efficiency; Agribusiness; Farm Management; Marketing; Production Economics; Productivity Analysis; Public Economics; D21; C31; Q01.
Ano: 2010 URL: http://purl.umn.edu/90678
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Forecasting Organic Food Prices: Testing and Evaluating Conditional Predictive Ability AgEcon
Park, Timothy A.; Gubanova, Tatiana; Lohr, Luanne; Escalante, Cesar L..
Organic farmers, wholesalers, and retailers need reliable price forecasts to improve their decision- making practices. This paper presents a methodology and protocol to select the best-performing method from several time and frequency domain candidates. Weekly farmgate prices for organic fresh produce are used. Forecasting methods are evaluated on the basis of an aggregate accuracy measure and several out-of-sample predictive ability tests. Combining forecasts to improve on individual forecasts is investigated.
Tipo: Conference Paper or Presentation Palavras-chave: Demand and Price Analysis.
Ano: 2005 URL: http://purl.umn.edu/19412
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EFFECT OF RISK PERSPECTIVE ON FERTILIZER CHOICE BY SHARECROPPERS AgEcon
Paudel, Krishna P.; Lohr, Luanne; Martin, Neil R., Jr..
Peanut and corn are two major crops in the tri-state area of the Southeast US, an area encompassing North Florida, Southwest Georgia, and Southeast Alabama. Sharecroppers in this region apply higher amount of input in crop production than the average farmers. We analyzed the behavior of sharecroppers in this region with regard to their fertilizer application decisions. Two hypotheses were formulated and tested based on sharecroppers' fertilizer application decisions: one assuming that sharecroppers are risk averse farmers and the other assuming that sharecroppers are regret minimizers. Our results show that a sharecropper uses different fertilizer treatments when minimizing risk depending on risk perspective and desired income. Sharecroppers who apply...
Tipo: Working or Discussion Paper Palavras-chave: Southeast U.S.; Sharecroppers; Regret minimizer; Risk averse; Peanut-Corn rotation; Farm Management; Risk and Uncertainty.
Ano: 2000 URL: http://purl.umn.edu/23814
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SUSTAINABILITY ASSESSMENT IN AGRICULTURE: ANNOTATED BIBLIOGRAPHY AND RESOURCE LIST OF METHODS AgEcon
Vickery, John; Lohr, Luanne.
Sustainability assessment is fundamental to improving the long-term viability of agricultural systems. A variety of assessment tools have been developed for the practitioner to evaluate sustainability at multiple levels, from field to farm. This report is a compilation of annotated references on assessment methods from published and unpublished sources. Each section contains a methodological description, a list of published sources, and a list of relevant programs and contacts. While not exhaustive, the report presents a range of tools and applications that are currently in use or are in testing for future use.
Tipo: Working or Discussion Paper Palavras-chave: Environmental Economics and Policy; Production Economics.
Ano: 1997 URL: http://purl.umn.edu/16644
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Forecasting Organic Food Prices: Emerging Methods for Testing and Evaluating Conditional Predictive Ability AgEcon
Gubanova, Tatiana; Lohr, Luanne; Park, Timothy A..
Organic farmers, wholesalers, and retailers need price forecasts to improve their decision-making practices. This paper presents a methodology and protocol to select the best performing method from several time and frequency domain candidates. Weekly farmgate prices for organic fresh produce are used. Forecasting methods are evaluated on the basis of an aggregate accuracy measure and several out-of-sample predictive ability tests. A seasonal autoregressive method is recommended for all planning horizons. The role of better price forecasts for the agents who deal in less common organic produce is highlighted. A confirmation for the claim that the organic produce industry needs better farmgate price forecasts to grow is provided.
Tipo: Conference Paper or Presentation Palavras-chave: Demand and Price Analysis.
Ano: 2005 URL: http://purl.umn.edu/19045
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VOLUNTARY ECONOMIC AND ENVIRONMENTAL RISK TRADEOFFS IN CROP PROTECTION DECISIONS AgEcon
Lohr, Luanne; Park, Timothy A.; Wetzstein, Michael E..
An indirect utility model is employed for measuring farmers willingness to voluntarily accept yield losses for a reduction in environmental risk by decreasing pesticide use. Results support the hypothesis that farmers have self-described risk perceptions that enable them to make assessments of risk-yield tradeoffs. Policies designed to encourage and assist farmers making voluntary pesticide reductions can result in environmental risk reduction.
Tipo: Working or Discussion Paper Palavras-chave: Pesticides. regulation; Environmental policy; Crop Production/Industries; Environmental Economics and Policy; Risk and Uncertainty.
Ano: 1997 URL: http://purl.umn.edu/16654
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CONSUMER EFFECTS OF HARMONIZING INTERNATIONAL STANDARDS FOR TRADE IN ORGANIC FOODS AgEcon
Lohr, Luanne; Krissoff, Barry.
Even if governments agree on equivalency of organic standards across countries, consumers may still believe domestically produced organic foods are superior to imports. We simulated a partial equilibrium model of trade in organic wheat between the United States and Germany to illustrate the welfare gains and losses associated with international harmonization of organic standards. Six cases were examined - no equivalency in standards (the status quo), equivalency of standards with complete and incomplete import acceptance, exporters certifying in importing country with complete and incomplete import acceptance, and exporters paying educational costs, with incomplete import acceptance. Results demonstrate that importing country consumers are better off if...
Tipo: Working or Discussion Paper Palavras-chave: International Relations/Trade.
Ano: 2001 URL: http://purl.umn.edu/16726
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PREDICTING ORGANIC MARKET DEVELOPMENT WITH SPATIAL ANALYSIS OF EXISTING INDUSTRY INFORMATION AgEcon
Lohr, Luanne; Gonzalez-Alvarez, Yassert; Graf, Anita.
We test the likelihood of expansion for six market sectors based on the similarities between counties with and counties without organic markets. Results indicate that sales projections are overstated. Growth imbalance will continue to favor the West and North Central regions over the South and Northeast.
Tipo: Conference Paper or Presentation Palavras-chave: Marketing.
Ano: 2001 URL: http://purl.umn.edu/20511
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THE IMPORTANCE OF THE CONSERVATION SECURITY ACT TO US COMPETITIVENESS IN GLOBAL ORGANIC MARKETS AgEcon
Lohr, Luanne.
This briefing paper reviews the role that the proposed Conservation Security Act plays in improving US competitiveness in global markets for organic agriculture products. The European Union provides direct payments to organic farmers through an agri-environmental program that is considered a "Green Box policy" by the World Trade Organization and not subject to funding limits. US organic farmers are falling behind due to aggressive production conversion campaigns in the EU. The Conservation Security Act, which would pay farmers for environmentally sound practices, would counterbalance the EU subsidy program. With a level field for production support, the US organic industry could be expected to become a dominant market force in the $102 billion global...
Tipo: Working or Discussion Paper Palavras-chave: Agricultural and Food Policy; Environmental Economics and Policy; International Relations/Trade.
Ano: 2001 URL: http://purl.umn.edu/16706
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FROM THE PERSPECTIVE OF GLOBAL WARMING: ALTERNATIVE FARMING SYSTEMS AND SUSTAINABILITY AgEcon
Paudel, Krishna P.; Lohr, Luanne.
According to Article 3.4 of the Kyoto Protocol, agricultural soil could be used as a sink for carbon sequestration. Soil sequestration of carbon provides dual benefits: an increase in soil productivity and a reduction in atmospheric carbon concentration. The gain in soil productivity is a slow process and attaining a steady-state level of carbon in soil takes several years. A frequently encountered difficulty in this situation is how to discount the future benefit of carbon sequestration into a current term. We compared the net benefit of four alternative management systems using discount rates based on the sliding gamma distribution, market rate of investment, and the social rate of time preference. We also calculated the sustainability of these alternate...
Tipo: Working or Discussion Paper Palavras-chave: Carbon sequestration; Conservation practices; Strong and weak sustainability; Discounting method; Environmental Economics and Policy; Production Economics.
Ano: 2002 URL: http://purl.umn.edu/31656
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WHOLESALER MARKUP DECISIONS UNDER DEMAND UNCERTAINTY AgEcon
Park, Timothy A.; Lohr, Luanne.
We examine consistency with economic theory of markup decisions for a risk averse firm facing demand uncertainty. We derive testable comparative static results that describe the influence on the markup of expected demand, demand uncertainty, average variable costs and exogenous demand shifters. We test the model using data from the wholesale market for organic lettuce. Our results demonstrated that risk averse wholesalers raise markups as expected demand increases and reduce them as uncertainty increases.
Tipo: Working or Discussion Paper Palavras-chave: Risk aversion; Marketing margins; Comparative statics; Organics; Demand and Price Analysis; Risk and Uncertainty.
Ano: 1996 URL: http://purl.umn.edu/16699
Registros recuperados: 44
Primeira ... 123 ... Última
 

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