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Registros recuperados: 25
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A Flexible Parametric Family for the Modeling and Simulation of Yield Distributions AgEcon
Ramirez, Octavio A.; McDonald, Tanya U.; Carpio, Carlos E..
The distributions currently used to model and simulate crop yields are unable to accommodate a substantial subset of the theoretically feasible mean-variance-skewness-kurtosis (MVSK) hyperspace. Because these first four central moments are key determinants of shape, the available distributions might not be capable of adequately modeling all yield distributions that could be encountered in practice. This study introduces a system of distributions that can span the entire MVSK space and assesses its potential to serve as a more comprehensive parametric crop yield model, improving the breadth of distributional choices available to researchers and the likelihood of formulating proper parametric models.
Tipo: Journal Article Palavras-chave: Risk analysis; Parametric methods; Yield distributions; Yield modeling and simulation; Yield nonnormality; Agribusiness; Agricultural Finance; Crop Production/Industries; Land Economics/Use; Production Economics; Productivity Analysis; Research Methods/ Statistical Methods; C15; C16; C46; C63.
Ano: 2010 URL: http://purl.umn.edu/90675
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A Structural Econometric Model of Consumer Demand at Pick-Your-Own Fruit Operations AgEcon
Carpio, Carlos E.; Wohlgenant, Michael K..
This paper develops a fully structural econometric consumer demand model for goods which have time and monetary costs, and where time spent obtaining the goods also enters into the utility function. The model is used to analyze customers'’ decision to buy pick-your-own versus pre-harvested fruit at North Carolina pick-your-own fruit operations. The empirical application distinguishes the double effect of time as a resource constraint and also providing utility. Elasticity estimates show that strawberries sold at pick-your-own operations are price elastic, with pick-your-own fruit being less price elastic than pre-harvested fruit.
Tipo: Conference Paper or Presentation Palavras-chave: Consumer/Household Economics.
Ano: 2006 URL: http://purl.umn.edu/21372
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Biodiesel Mandate Laws in Argentina and Brazil: An Estimation of Soybean Oil Foregone Export Revenues AgEcon
Nardi, Matias G.; Carpio, Carlos E.; Davis, Todd D.; Ward, William A..
Replaced with revised version of paper 02/22/08.
Tipo: Conference Paper or Presentation Palavras-chave: Research and Development/Tech Change/Emerging Technologies.
Ano: 2008 URL: http://purl.umn.edu/6737
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Can Crop Insurance Premiums Be Reliably Estimated? AgEcon
Ramirez, Octavio A.; Carpio, Carlos E.; Rejesus, Roderick M..
This paper develops and applies a methodology to assess the accuracy of historical loss-cost rating procedures, similar to those used by the U.S. Department of Agriculture’s Risk Management Agency (RMA), versus alternative parametric premium estimation methods. It finds that the accuracy of loss-cost procedures leaves much to be desired, but can be markedly improved through the use of alternative methods and increased farm-level yield sample sizes. Evidence suggests that the high degree of inaccuracy in crop insurance premium estimations through historical loss-cost procedures identified in the paper might be a major factor behind the need for substantial government subsidies to keep the program solvent.
Tipo: Journal Article Palavras-chave: Agricultural subsidies; Crop insurance premium estimation; Loss-cost procedures; Risk Management Agency; Agricultural and Food Policy; Agricultural Finance; Farm Management; Risk and Uncertainty.
Ano: 2011 URL: http://purl.umn.edu/107091
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Can Crop Insurance Premiums be Reliably Estimated? AgEcon
Ramirez, Octavio A.; Carpio, Carlos E.; Rejesus, Roderick M..
The objective of this paper is to compare the accuracy of crop insurance rating methods based on historical liability and indemnity data (similar to the procedure currently used by the Risk Management Agency) and “yield distribution” approaches. Estimated rates are compared to “true” rates using empirically-grounded simulation procedures that take into account common data availability constraints. Simulation results suggest that farm and county level rate estimates using the “yield distribution” approach are significantly more accurate than those based on historical indemnity and liability records.
Tipo: Conference Paper or Presentation Palavras-chave: Crop insurance premiums; Non-normal distributions; Simulation methods; Agribusiness; Agricultural Finance; Risk and Uncertainty.
Ano: 2009 URL: http://purl.umn.edu/49465
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Consumer Willingness to Pay for Locally Grown Products: The Case of South Carolina AgEcon
Carpio, Carlos E.; Isengildina-Massa, Olga.
The objective of this study is to evaluate South Carolina (SC) consumers’ willingness to pay for “SC grown” products. Results indicate that consumers in SC are willing to pay an average premium of 27% for local produce and 23% for local animal products. Premiums for local products are influenced by age, gender, and income.
Tipo: Conference Paper or Presentation Palavras-chave: Contingent valuation; Demand for local products; State branding and promotion programs; Demand and Price Analysis; Food Consumption/Nutrition/Food Safety.
Ano: 2008 URL: http://purl.umn.edu/6815
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ECONOMIC VALUE OF THE CARBON SINK SERVICES OF TROPICAL SECONDARY FORESTS AND ITS MANAGEMENT IMPLICATIONS AgEcon
Ramirez, Octavio A.; Carpio, Carlos E.; Ortiz, Rosalba; Finnegan, Brian.
This paper explores the economic feasibility secondary forest regeneration and conservation as an alternative to help address global warming. Detailed measurements of tropical secondary forests through time, in different ecological zones of Costa Rica, are used for estimating carbon storage models. The paper addresses key issues in the international discussion about cross- and within-country compensation for carbon storage services and illustrates a method to compute/predict their economic value through time under a variety of scenarios. The procedure is applicable to other developing countries where secondary forest growth is increasingly important.
Tipo: Conference Paper or Presentation Palavras-chave: Tropical Forests; Carbon Sequestration; Global Warming; Activities Implemented Jointly.; Environmental Economics and Policy; Resource /Energy Economics and Policy; Q23; Q25; Q28..
Ano: 2000 URL: http://purl.umn.edu/21776
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EFFECTS OF QUALITY CONSIDERATIONS AND CLIMATE/WEATHER INFORMATION ON THE MANAGEMENT AND PROFITABILITY OF COTTON PRODUCTION IN THE TEXAS HIGH PLAINS AgEcon
Britt, Megan L.; Ramirez, Octavio A.; Carpio, Carlos E..
Production function models for cotton lint yields, seed yields, turnout, and lint quality characteristics are developed for the Texas High Plains. They are used to evaluate the impacts of quality considerations and of climate/weather information on the management decisions and on the profitability and risk of irrigated cotton production systems. It is concluded that both quality considerations and improved climatic/weather information could have substantial effects on expected profitability and risk. These effects mainly occur because of changes in optimal variety selection an irrigation water use levels. Quality considerations in particular result in significantly lower irrigation water use levels regardless of the climate/weather information...
Tipo: Journal Article Palavras-chave: Climatic/weather information; Cotton quality; Ground water resource use; Risk and uncertainty; Texas High Plains; Crop Production/Industries; D21; D24; D61; D81; D84.
Ano: 2002 URL: http://purl.umn.edu/15082
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European Union Import Demand for In-Shell Peanuts AgEcon
Boonsaeng, Tullaya; Fletcher, Stanley M.; Carpio, Carlos E..
This paper analyzes the European Union (EU) import demand for in-shell peanuts from three sources: the United States, China, and the rest of the world. We find that peanuts from different sources are differentiated by EU consumers. The expenditure elasticity is elastic for U.S. in-shell peanuts, which is associated with their higher quality. The conditional own price elasticities are more elastic for U.S. and Chinese in-shell peanuts. These findings have at least two implications. First, U.S. producers and exporters should direct efforts to ensure that in-shell peanuts exported to the EU are of the best possible quality, and, second, promotion efforts should stress the quality of U.S peanuts as an advertising tool.
Tipo: Journal Article Palavras-chave: European Union import demand; In-shell peanuts; Nonlinear SAIDS; Agribusiness; Crop Production/Industries; Demand and Price Analysis; International Relations/Trade; D12; Q11; Q17.
Ano: 2008 URL: http://purl.umn.edu/47269
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Household Consumption of Snacks at Home and Away from Home AgEcon
Boonsaeng, Tullaya; Carpio, Carlos E.; Zhen, Chen.
This study identifies how key economic and demographic variables affect U.S. households' expenditures on snacks.
Tipo: Conference Paper or Presentation Palavras-chave: Demand analysis; Food Consumption/Nutrition/Food Safety.
Ano: 2010 URL: http://purl.umn.edu/61159
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How Do Restaurants Benefit from Various Components of a Regional Promotion Campaign? AgEcon
Xie, Ran; Isengildina-Massa, Olga; Carpio, Carlos E..
This study analyses the economic value of various components of the Certified South Carolina Grown Campaign from the perspective of participating restaurants. A stated-preference choice experiment was conducted as part of the restaurant survey to estimate the willingness to pay (WTP) for each campaign component using a mixed logit model. Individual level WTP was calculated in order to explore the relationship between WTP and characteristics of restaurants. Results indicate that three existing components--Labeling, Multimedia Advertising, and "Fresh on the Menu" have significant positive economic value.
Tipo: Presentation Palavras-chave: WTP; Mixed Logit Model; SUR Model; Discrete Choice Model; Agribusiness; Agricultural and Food Policy; Political Economy; Production Economics; Research Methods/ Statistical Methods.
Ano: 2012 URL: http://purl.umn.edu/123921
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Issues and Strategies for Aggregate Supply Response Estimation for Policy Analyses AgEcon
Ramirez, Octavio A.; Mohanty, Samarendu; Carpio, Carlos E.; Denning, Megan.
We demonstrate the use of the small-sample econometrics principles and strategies to come up with reliable yield and acreage models for policy analyses. We focus on demonstrating the importance of proper representation of systematic and random components of the model for improving forecasting precision along with more reliable confidence intervals for the forecasts. A probability distribution function modeling approach, which has been shown to provide more reliable confidence intervals for the dependent variable forecasts than the standard models that assume error term normality, is used to estimate cotton supply response in the Southeastern United States.
Tipo: Journal Article Palavras-chave: Nonnormality; Probability distribution function; Supply response; Q11; Q18; C32.
Ano: 2004 URL: http://purl.umn.edu/43420
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Measuring the Potential Economic Impact of a Regional Agricultural Promotion Campaign: The Case of South Carolina AgEcon
Carpio, Carlos E.; Isengildina-Massa, Olga.
This study evaluated the impact of the South Carolina (SC) agricultural promotion campaign after its first season. Analysis of the survey data revealed that consumer demand for state grown produce has increased by 3.4% which could result in an increase in producer surplus of $2.9 million. Since the SC Department of Agriculture invested $500,000 in the promotion program in 2007, this figure indicates a benefit-cost ratio of 5.8.
Tipo: Conference Paper or Presentation Palavras-chave: Demand for local products; State branding and promotion programs; Contingent valuation; Equilibrium displacement models; Agribusiness; Agricultural and Food Policy; Demand and Price Analysis.
Ano: 2009 URL: http://purl.umn.edu/46729
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Potential for Tradable Water Allocation and Rights in Jordan AgEcon
Carpio, Carlos E.; Ramirez, Octavio A.; Boonsaeng, Tullaya.
This paper estimates the costs of buying water use rights from farmers located in the Mafraq-Azraq basin in Jordan. Farmers’ water supply curve is estimated using data gathered from a contingent valuation survey. Estimation results indicate that a total supply of 29 million m3 could be periodically purchased from farmers at an annual price of approximately JD 0.23/m3 (1 JD ≈ 0.70 U.S. dollars), or a total cost of about JD 6.8 million per year.
Tipo: Conference Paper or Presentation Palavras-chave: Contingent valuation; Non-parametric estimation; Water supply curve; Research Methods/ Statistical Methods; Resource /Energy Economics and Policy.
Ano: 2010 URL: http://purl.umn.edu/56452
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Premium Estimation Inaccuracy and the Actuarial Performance of the US Crop Insurance Program AgEcon
Ramirez, Octavio A.; Carpio, Carlos E..
This article explores the impact of the likely levels of inaccuracy associated with two main types of premium estimation methods, under different sample sizes, on the actuarial performance of the US crop insurance program. The analyses are conducted under several plausible assumptions about the insurer versus the producers’ estimates for their actuarially fair premiums. Significant differences are found due to estimation method and sample size, with the currently used procedures resulting in the worse actuarial performance. Several conclusions and recommendations are provided that could markedly reduce the amount of public subsidies needed to keep this program solvent.
Tipo: Conference Paper or Presentation Palavras-chave: Agricultural Subsidies; Crop Insurance Premium Estimation; Loss-Cost Procedures; Risk Management Agency; Financial Economics.
Ano: 2011 URL: http://purl.umn.edu/102463
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Promoting a local brand: Assessing the Economic Benefits of the Texas Superstar® and Earth-Kind® Promotion on Place (POP) Program AgEcon
Collart, Alba J.; Palma, Marco A.; Carpio, Carlos E..
This paper aims to evaluate consumer’s awareness and willingness-to-pay (WTP) for two ornamental brands in Texas: Texas Superstar® and Earth-Kind®, after a Promotion on Place (POP) Program was developed by the Texas Department of Agriculture (TDA). Consumer’s characteristics that are more likely to influence brand awareness and WTP are identified.
Tipo: Conference Paper or Presentation Palavras-chave: Brand recognition; Willingness to pay; Consumer preferences; Ornamentals; Consumer/Household Economics; Marketing.
Ano: 2011 URL: http://purl.umn.edu/98796
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Relative Importance of Environmental Attributes Using Logistic Regression AgEcon
Carpio, Carlos E.; Sydorovych, Olha; Marra, Michele C..
We investigate the problem of determining the relative importance of attributes in the discrete choice setting. Four alternative methods of extracting the relative importance of attributes are considered. The empirical application involves the development of a risk index system for individual herbicides combining the information on the herbicides' different human and environmental risks. The values of the pesticide risk indices are found to be consistent across the different methods.
Tipo: Conference Paper or Presentation Palavras-chave: Environmental Economics and Policy.
Ano: 2007 URL: http://purl.umn.edu/34846
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Relative Importance of Factors Affecting Customer’s Decisions to Buy Pick-Your-Own Versus Preharvested Fruit at North Carolina Farms AgEcon
Carpio, Carlos E.; Wohlgenant, Michael K.; Safley, Charles D..
This study identifies the most important factors affecting customers’ decisions to buy pickyour- own versus prepicked strawberries and muscadine grapes at direct-market operations in North Carolina. The relative importance analysis identified the region of location of the operations and prices as the explanatory variable explaining most of the variation observed in the customer’s decision to choose the type of fruit to purchase. The estimated price elasticities indicate that sales of each type of fruit are very sensitive to prices.
Tipo: Journal Article Palavras-chave: Conditional and random parameters logit models; Demand analysis; Pick-your-own fruit; Relative importance; Agribusiness; Agricultural and Food Policy; Crop Production/Industries; Financial Economics; Food Consumption/Nutrition/Food Safety; D12; Q13.
Ano: 2008 URL: http://purl.umn.edu/47272
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The Demand for Agritourism in the United States AgEcon
Carpio, Carlos E.; Wohlgenant, Michael K.; Boonsaeng, Tullaya.
Using data from the 2000 National Survey on Recreation and the Environment, this study explores factors affecting visits by the American population to farms and the economic value of the rural landscapes for farm visitors. The number of farm recreation trip visits was estimated to have own-price elasticity of -0.43 and an income elasticity of 0.24. Location of residence, race, and gender were found to be important determinants of the number of farm trips. The calculated consumer surplus is estimated at $174.82/ trip, of which $33.50 is due to the rural landscape.
Tipo: Journal Article Palavras-chave: Agritourism; Demand analysis; Value of the rural landscape; Agribusiness.
Ano: 2008 URL: http://purl.umn.edu/42465
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The Demand for Agritourism in the United States AgEcon
Carpio, Carlos E.; Wohlgenant, Michael K.; Boonsaeng, Tullaya.
Data from a 2000 National Survey on Recreation is used to determine the effect of different factors affecting customers' decisions to participate in agritourism. The estimates of the own price and income elasticities are -0.13 and 0.06, respectively. The total consumer surplus from the agricultural landscape was estimated in 22 billion dollars.
Tipo: Conference Paper or Presentation Palavras-chave: Resource /Energy Economics and Policy.
Ano: 2006 URL: http://purl.umn.edu/35445
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