Sabiia Seb
PortuguêsEspañolEnglish
Embrapa
        Busca avançada

Botão Atualizar


Botão Atualizar

Ordenar por: RelevânciaAutorTítuloAnoImprime registros no formato resumido
Registros recuperados: 20
Primeira ... 1 ... Última
Imagem não selecionada

Imprime registro no formato completo
A MODEL FOR THE APPRAISAL OF THE ENVIRONMENTAL IMPACTS OF THE PROJECTS AgEcon
Soliman, Ibrahim.
Social Appraisal of Agricultural Projects
Tipo: Presentation Palavras-chave: Direct cost; External costs; External benefits; Net present value; Sensitivity analysis; Environmental Economics and Policy; Health Economics and Policy; Resource /Energy Economics and Policy; Risk and Uncertainty.
Ano: 1995 URL: http://purl.umn.edu/119883
Imagem não selecionada

Imprime registro no formato completo
A MODEL OF ENTRY-EXIT DECISIONS AND CAPACITY CHOICE UNDER DEMAND UNCERTAINTY AgEcon
Isik, Murat; Coble, Keith H.; Hudson, Darren; House, Lisa.
Many investment decisions of agribusiness firms such as when to invest in an emerging market or whether to expand the capacity of the firm involve irreversible investment and uncertainty about demand, cost or competition. This paper uses an option-value model to examine the factors affecting an agribusiness firm's decision whether and how much to invest in an emerging market under demand uncertainty. Demand uncertainty and irreversibility of investment make investment less desirable than the net present value (NPV) rule indicates. The inactive firm is more reluctant to enter the market when it takes into account demand uncertainty because it preserves the opportunity of making a better investment later. The active firm is more reluctant to abandon the...
Tipo: Conference Paper or Presentation Palavras-chave: Agribusiness decision-making; Demand uncertainty; Entry-exit decisions; Net present value; Real options; Remote sensing; Demand and Price Analysis.
Ano: 2002 URL: http://purl.umn.edu/19797
Imagem não selecionada

Imprime registro no formato completo
A Net Present Value Model of Natural Gas Exploitation in Northern Alberta: An Analysis of Land Values in Woodland Caribou Ranges AgEcon
Hauer, Grant; Adamowicz, Wiktor L.; Jagodzinski, Robert.
This report was prepared for the purpose of providing background documentation of inputs to be used in mathematical programming models and papers, which are being prepared for our research project: Ecological and economic tradeoff analysis of conservation strategies for woodland caribou. The report presents a simple net present value model of resource and land value for natural gas in northern Alberta. The variables in the model include costs (drilling, seismic, operating and capital); geological variables (stratigraphic intervals, booked reserves, future reserves); drilling variables (well densities, drilling success rates, and drilling depths); production data and prices. Each variable is described in detail and methods of derivation are provided. A map...
Tipo: Working or Discussion Paper Palavras-chave: Net present value; Energy reserves; Natural gas; Caribou; Environmental Economics and Policy; Land Economics/Use; Resource /Energy Economics and Policy; Q49; Q32; Q57.
Ano: 2010 URL: http://purl.umn.edu/91422
Imagem não selecionada

Imprime registro no formato completo
A Profitability Analysis of Investment of Peach and Apple Growing in Turkey JARTS
Uzunöz, Meral; Department of Agricultural Economics, Faculty of Agriculture, University of Gaziosmanpasa, Taslıciftlik 60240, Tokat - Turkey; Akcay, Yasar; Department of Agricultural Economics, Faculty of Agriculture, University of Gaziosmanpasa, Taslıciftlik 60240, Tokat - Turkey.
This study was conducted to determine profitability and feasibility of fruit farms by investment analysis in Tokat - Turkey. The criteria of Net Present Value (NPV ), Cost-Benefit Ratio (CBR) and Internal Rate of Return (IRR) were used for investment analysis. Three different discount rates (10%, 8% and 5%) were used to get the NPV and CBR for peach and apple. The NPV for peach were found to be positive (1113.6 $/da; 1454.7 $/da; and 2156.2 $/da). Also the NPV for apple were found to be positive (574.2 $/da; 805.4 $/da; and 1342.9 $/da). In addition to that, the CBR for peach were bigger than 1 (1.38; 1.43 and 1.51) and the CBR for apple were bigger than 1 (1.23; 1.27 and 1.33). The IRR for peach was 25.05 percent and 22.12 for apple. According to the...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Economics and Econometrics fruit; Internal rate of return; Investment analysis; Net present value; Sensitivity analysis.
Ano: 2006 URL: http://www.jarts.info/index.php/jarts/article/view/97
Imagem não selecionada

Imprime registro no formato completo
Análisis de factibilidad económica de la rehabilitación y modernización integral del Distrito de Riego 024, Ciénega de Chapala. Colegio de Postgraduados
Gómez Laurean, Jorge.
El objetivo del Programa de Rehabilitación y Modernización del Distrito de Riego 024 Ciénega de Chapalaradica en fomentar el uso eficiente del agua en la producción agrícola, mediante el impulso al desarrollo de la tecnología en el sector hidráulico, la capacitación de los usuarios, el mejoramiento de la infraestructura de conducción y la aplicación de nuevas tecnologías de riego. Se realizó el análisis de factibilidad económica de dicho programa, mediante el cual se obtuvieron indicadores; tales como Valor Presente Neto (VPN), Tasa Interna de Retorno (TIR) y la relación Beneficio-Costo (R B/C).Para el análisis se consideró la relación básica entre los beneficios y los costos o egresos del proyecto. Los resultados del análisis económico presentan una R...
Palavras-chave: Relación beneficio/costo; Valor presente neto; Tasa interna de retorno; Rentabilidad; Benefit / cost ratio; Net present value; Internal rate of return; Profitability; Sensitivity analysis; Hidrociencias; Maestría Tecnológica; Análisis de sensibilidad.
Ano: 2013 URL: http://hdl.handle.net/10521/2115
Imagem não selecionada

Imprime registro no formato completo
Avaliação de programas de seleção para a caprinocultura leiteira brasileira. Repositório Alice
SANTOS, L. H. dos..
Resumo: Com o presente trabalho objetivou-se avaliar a viabilidade de um programa nacional de melhoramento genético de caprinos leiteiros. Foram comparados os ganhos genéticos e econômicos para dois esquemas de seleção, sendo um tradicional que representa a situação geral nacional e outro utilizando o teste de progênie, conforme proposto pelo Programa de Melhoramento Genético de Caprinos Leiteiros (CAPRAGENE) coordenado pela Embrapa Caprinos e Ovinos. Em seguida, foi verificado no esquema tradicional de seleção, o impacto econômico da alteração na porcentagem de utilização de reprodutores do rebanho núcleo no estrato comercial. Averiguou-se também os efeitos da intensidade de utilização dos reprodutores jovens em teste para o esquema com teste de progênie....
Tipo: Tese/dissertação (ALICE) Palavras-chave: Dairy goats; Lucro genético; Net present value; Genetic gain and profit; Valor presente líquido; Caprino leiteiro; Brasil; Caprino; Cabra leiteira; Melhoramento genético animal; Leite de cabra; Produção leiteira; Seleção; Análise econômica; Goats; Goat milk; Animal genetics; Economic viability; Animal breeding; Brazil.
Ano: 2013 URL: http://www.alice.cnptia.embrapa.br/handle/doc/1027731
Imagem não selecionada

Imprime registro no formato completo
Breeding and feeding pigs in Australia and Vietnam AgEcon
Tisdell, Clement A.; Wilson, Clevo.
This report establishes that ACIAR Research Project AS2/1994/023, ‘Breeding and feeding pigs in Australia and Vietnam’ (supported by ACIAR from July 1995 to the end of 2000) has yielded an extraordinarily high rate of economic return on the funds invested. The collaborating agencies were the Department of Primary Industries, Queensland, James Cook University and The University of Queensland in Australia, and the Institute of Agricultural Sciences of South Vietnam in Vietnam. The best estimate benefit–cost ratio for investment in this project is at least 159:1 with a corresponding internal rate of return of 900% and a net present value of A$496 million. This is a total value, not an annual value. To give context to the number A$496 m, in 2000, 1.3 million...
Tipo: Book Palavras-chave: Pig; Vietnam; Australia; Breeding; Feeding; High rate of return; High impact; High economic return; DPI QLD; James Cook University; University of QLD; Institute of Agricultural Sciences of South Vietnam; Benefit-cost ratio; Net present value; Internal rate of return; Significant returns; Genetic; Nutrition; Pork; Agribusiness; Farm Management; Food Consumption/Nutrition/Food Safety; International Development; Livestock Production/Industries; Production Economics.
Ano: 2001 URL: http://purl.umn.edu/47695
Imagem não selecionada

Imprime registro no formato completo
Control of Footrot in Small Ruminants of Nepal AgEcon
McLeod, Ross.
Footrot, a bacterial disease which attacks the feet of sheep and goats causing lameness and high levels of flock mortality, was endemic in the western districts of Nepal. As a result of the collaborative efforts between Nepalese, Australian and British scientists within ACIAR projects AS2/1991/017 and AS2/1996/021, the virulent form of this disease has been eradicated from the livestock industries of the country. The economic benefits stemming from this achievement are described and quantified in this report. Over the 1993–2022 period, ACIAR invested $A1.5 million in research designed to improve the management of footrot in Nepal. Based on levels of disease prevalence reported at the beginning of the projects and a probability of the disease spreading to...
Tipo: Book Palavras-chave: Footrot; Ruminants; Bacterial disease; Nepal; Australia; Livestock; Economic benefits; Net present value; Benefit-cost ratio; Disease eradication; Farm Management; International Development; Livestock Production/Industries; Production Economics.
Ano: 2001 URL: http://purl.umn.edu/47694
Imagem não selecionada

Imprime registro no formato completo
Economic benefits to Papua New Guinea and Australia from the biological control of banana skipper (Erionota thrax) AgEcon
Waterhouse, Doug F.; Dillon, Birribi; Vincent, David P..
Larvae of the butterfly Erionota thrax, the banana skipper, destroy the leaves of bananas by eating them and forming massive protective rolls of leaf tissue. They were first observed in north-western Papua New Guinea in 1983 and over the next 6 years spread throughout the mainland at the rate of up to 500 km/year. E. thrax has also spread across the ocean to the east, to invade New Britain, Duke of York and New Ireland islands, and possibly Bougainville. As the banana skipper spread, it destroyed an average of some 60% of banana leaves, leading to both a serious delay in fruit maturation and reduced weight of banana bunches. Previous successful biological control of E. thrax when it invaded Mauritius, Hawaii, Guam and Saipan encouraged Papua New Guinea...
Tipo: Book Palavras-chave: Erionota thrax; Banana skipper; Moth; Larvae; Benefit-cost ratio; Net present value; Banana; Papua New Guinea; PNG; Australia; Agricultural and Food Policy; Crop Production/Industries; Farm Management; Food Security and Poverty; International Development; Production Economics.
Ano: 1998 URL: http://purl.umn.edu/47653
Imagem não selecionada

Imprime registro no formato completo
Economic Comparison of Commodity and Conservation Program Benefits: An Example from the Mississippi Delta AgEcon
Anderson, John D.; Parkhurst, Gregory M..
Changes to commodity programs in the 2002 Farm Bill increased the value of crop base acreages on which decoupled payments are received. The bill also expanded the availability of key conservation programs. This paper compares the value of payments from commodity programs (along with continued crop production) to the easement payment (and recreational lease revenue) available under the Wetland Reserve Program. A net present value model using risk-adjusted returns is employed in the analysis for Mississippi delta cropland containing rice, cotton, and soybean base. Sensitivity analysis is conducted on some of the key variables affecting the decision.
Tipo: Journal Article Palavras-chave: Conservation; Countercyclical payment; Direct payment; Net present value; WRP; Q12; Q15; Q18; C15.
Ano: 2004 URL: http://purl.umn.edu/43390
Imagem não selecionada

Imprime registro no formato completo
Economic evaluation of proposed pure and mixed stands in Central Vietnam highlands JARTS
Salek, Lubomir; Sloup, Roman.
In comparison with mixed forest stands, the cultivation of pure plantations in Vietnam entails serious ecological consequences such as loss of biodiversity and higher rate of soil erosion. The economic evaluation is elaborated between pure plantations and mixed forests where the fast-growing tree species are mixed with slow growing tree species which are planted in stripes separating the segments with fast-growing tree species (Acacia sp.). For the evaluation, the input values were used from local costs of goods, services and labour. The results show that the internal rate of return is the highest in the case of pure plantation in comparison with mixed forests – 86% to 77%(first planting pattern: Acacia sp. + noble hardwood species) and 54% (second...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Forestry Economic evaluation; Plantations; Central Vietnam; Mixed stands; Average profit; Net present value.
Ano: 2012 URL: http://www.jarts.info/index.php/jarts/article/view/2012061541313
Imagem não selecionada

Imprime registro no formato completo
Improved drying of high moisture grains AgEcon
McLeod, Ross.
An economic evaluation of three ACIAR projects whose primary objective was to improve postharvest grain drying in Thailand and Australia is provided in this report. During 1983–1996, ACIAR invested A$1.2 million in research designed to improve grain drying in these countries. Based on current adoption, the investment has resulted in a realised net present value of A$3.6 million. A benefit–cost ratio of 3:1 was estimated for the projects. In other words, for each dollar invested, three dollars of project benefits have resulted. A high proportion of realised benefits was estimated to accrue to Australian rice producers, through reduced grain drying costs, while benefits have also been captured by the Thai rice production industry through reduced postharvest...
Tipo: Book Palavras-chave: Economic evaluation; Australia; Thailand; Postharvest grain drying; Rice; Net present value; Benefit-cost ratio; High impact; Benefits; Grain drying; Agribusiness; Crop Production/Industries; Farm Management; Food Security and Poverty; International Development; Production Economics.
Ano: 1999 URL: http://purl.umn.edu/47692
Imagem não selecionada

Imprime registro no formato completo
Influences of Permanence on the Comparative Value of Biological Sequestration versus Emissions Offsets AgEcon
McCarl, Bruce A.; Murray, Brian C.; Schneider, Uwe A..
We use a net present value framework to examine the impact of non-permanence on the economics of land-based biological carbon sequestration. Contingent on assumptions about discount rates, management, and carbon prices trajectories, and payment contract design, we find the adjusted value of carbon sequestration relative to permanently available emission offsets to be between 38 and 55 percent for agricultural soil offsets and between 51 and 99 percent for afforestation offsets. Simulations with an Agricultural Sector Model show the empirical effect of sequestration value discounts on the total potential of U.S. agricultural sinks to mitigate greenhouse gas emissions within a multistrategy setting.
Tipo: Working or Discussion Paper Palavras-chave: Agricultural Sector Model; Carbon price trajectory; Carbon sequestration dynamics; Economics of greenhouse gas emission mitigation; Forest sink discounting; Mathematical programming; Net present value; Saturation; Volatility; Environmental Economics and Policy.
Ano: 2001 URL: http://purl.umn.edu/18448
Imagem não selecionada

Imprime registro no formato completo
KEY ASPECTS OF INVESTMENT ANALYSIS AgEcon
Nabradi, Andras; Szollosi, Laszlo.
This paper reviewed principally accepted methods applied to investment analysis. To describe every aspect of investment analysis fully would require far more space than available here, so we highlight only of few of its aspects. This study collects several well-known bibliographies, contrasts them with each other and provides explanations for having done so. There are many questions about which authors and companies agree, including about how to apply certain methods, but on others there is disagreement. Four dynamic methods (Net Present Value, Internal Rate of Return, Profitability Index, and Discounted Payback Period) are demonstrated from the viewpoint of application. Moreover, this study clarifies several sensitive questions, such as handling income...
Tipo: Journal Article Palavras-chave: Net present value; Internal rate of return; Profitability index; Payback period; Agribusiness; Agricultural and Food Policy; Consumer/Household Economics; Financial Economics.
Ano: 2007 URL: http://purl.umn.edu/43577
Imagem não selecionada

Imprime registro no formato completo
Postharvest R & D concerning tropical fruits AgEcon
Chudleigh, Peter D..
An economic evaluation of two Australian Centre for International Agricultural Research (ACIAR) projects in the area of postharvest technology for tropical fruits was undertaken. This evaluation considered a 30 year time period from the first year of investment and assumed a discount rate of 5 per cent. The estimate of the net present value of the research and development investment was $93 million expressed in 1996/97 terms. The benefit–cost ratio was 38:1 and the internal rate of return estimated at 64 per cent. If benefits realised by 1996/97 were considered, the net present value was $30 million, the benefit–cost ratio was 13:1, and the internal rate of return was 63 per cent. Benefits accrued to both Thailand and Australia, with the proportion of...
Tipo: Book Palavras-chave: Postharvest; Technology; Tropical fruit; Fruit; Australia; Thailand; Net present value; Mango; Longan; Durian; Agribusiness; Agricultural and Food Policy; Crop Production/Industries; Farm Management; International Development; Marketing; Production Economics.
Ano: 1998 URL: http://purl.umn.edu/47652
Imagem não selecionada

Imprime registro no formato completo
PRODUCTIVIDAD Y RENTABILIDAD DE LA CODORNIZ (Coturnix coturnix japónica) EN LA REGIÓN SUR DEL ESTADO DE MÉXICO AgEcon
Cardoso Jimenez, Daniel; Rebollar Rebollar, Samuel; Rojo Rubio, Rolando.
The objective was to determinate the productivity and profitability of quail production in the south of México State, on temperate conditions. The methodology used was formulation and evaluation of projects. The product's main market was Toluca, Temascaltepec and Valle de Bravo, with a monthly demand of 5,000, 2,800 and 1,900 carcasses respectively. The average price per kg of meat and egg was $ 115.0 ($ 11.5/piece) and $50.0, respectively. The fixed inversion was $26,222.0; the current depreciation value was $17,500.0. In the same way fixed and variables costs during the first year were $141,269.2. The revenue in the first year was $175,425.0. The net present value was $3,676.35, with 14.02% return of the fixed investment, the cost and benefic...
Tipo: Journal Article Palavras-chave: Net present value; Cost-benefit; Return internal rate; Quail.; Agribusiness.
Ano: 2008 URL: http://purl.umn.edu/48820
Imagem não selecionada

Imprime registro no formato completo
THE BEEF COW REPLACEMENT DECISION AgEcon
Mathews, Kenneth H., Jr.; Short, Sara D..
This analysis examines effects of several common assumptions on net present values (NPVs) of beef cows. While effects on NPVs vary over a price cycle or successive price cycles, several generalities manifest themselves. A cow is not likely to recover the lost revenue from not having just one calf. Incorporating genetic improvement into the herd increases the probability of an older cow being culled. Variable net replacement/culling rates make sense in the context of cattle inventory and price cycles because of the effects cyclical series of prices have on NPV.
Tipo: Journal Article Palavras-chave: Asset replacement; Cattle cycle; Cull; Net present value; Livestock Production/Industries.
Ano: 2001 URL: http://purl.umn.edu/14695
Imagem não selecionada

Imprime registro no formato completo
The economic viability of biomass crops versus conventional agricultural systems and its potential impact on farm incomes in Ireland AgEcon
Clancy, Daragh; Breen, James P.; Butler, Anne Marie; Thorne, Fiona S..
Ireland is currently importing 90 percent of its energy. The burning of domestically produced nonrenewable peat provides 4.9 percent of Ireland’s total primary energy supply while renewable biomass crops currently account for only 1 percent of the domestically produced energy supply. The Irish government have set a target of 30% of peat (approximately 0.9 million tonnes) used for electricity generation to be replaced by renewable energy crops. This would be equivalent to approximately 0.6 million tonnes of biomass crops or approximately 45,000 hectares of biomass. Direct payments and subsidies accounted for over 100 percent of average family farm income on beef and sheep farms in 2006. Therefore there appears to be significant potential for Irish farmers...
Tipo: Conference Paper or Presentation Palavras-chave: Willow; Miscanthus; Co-firing; Net present value; Probit; Linear programming; Agricultural Finance; Institutional and Behavioral Economics; Resource /Energy Economics and Policy.
Ano: 2008 URL: http://purl.umn.edu/6485
Imagem não selecionada

Imprime registro no formato completo
Um modelo para analise economica de reforma em povoamentos de eucalipto. Repositório Alice
NAUTIYAL, J.C.; GRACA, L.R.; COUTO, L..
É apresentado um modelo computarizado chamado "RENEWAL" para auxiliar na análise econômica da viabilidade de reforma ou do número de talhadias em povoamento de eucalipto. O modelo utiliza o critério de maximização do valor líquido presente (NPV) que leva em contas as seguintes variáveis: 1) preço de madeira de eucalipto; 2) custos de implantação e das talhadias: 3) produtividade dos diversos cortes; 4) taxa de crescimento dos preços de eucalipto: 5) taxa de juros. Um exemplo hipotético baseado em dados de Euca/yptus sa/igna em São Paulo é usado para se determinar a rotação ótima e o número de cortes intermediários. Vários cenários foram analisados e recomendações foram sugeridas.
Tipo: Artigo em anais de congresso (ALICE) Palavras-chave: Rotacao otima; Talhadia; Valor presente; Optimal rotation; Coppicing; Net present value; Eucalipto; Eucalyptus.
Ano: 1989 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/300187
Imagem não selecionada

Imprime registro no formato completo
Use and management of grain protectants in China and Australia AgEcon
Chudleigh, Peter D..
Project PHT/1990/035, ‘Integrating Grain Protectants into Storage Pest Management’ was supported by ACIAR for nearly four years from 1992 to 1995. The project was based in China and Australia. Project activity within Australia included the further enhancement of an expert system that had been developed by CSIRO. Three main activities took place within the project in China: assessing the extent of resistance to the most commonly used grain protectant, malathion; determining the rates of fenitrothion and deltamethrin that might be used under Chinese storage conditions in order to improve the range of protectants available for Chinese grain storage; and adaptation for, and extension of, an Australian expert system in China. Resistance to malathion was...
Tipo: Book Palavras-chave: Grain protectants; Pest management; Grain storage; China; Australia; High benefits; Investment analysis; High impact; Net present value; Benefit-cost analysis; Internal rate of return; Agribusiness; Agricultural and Food Policy; Farm Management; Food Security and Poverty; International Development; Production Economics.
Ano: 1999 URL: http://purl.umn.edu/47693
Registros recuperados: 20
Primeira ... 1 ... Última
 

Empresa Brasileira de Pesquisa Agropecuária - Embrapa
Todos os direitos reservados, conforme Lei n° 9.610
Política de Privacidade
Área restrita

Embrapa
Parque Estação Biológica - PqEB s/n°
Brasília, DF - Brasil - CEP 70770-901
Fone: (61) 3448-4433 - Fax: (61) 3448-4890 / 3448-4891 SAC: https://www.embrapa.br/fale-conosco

Valid HTML 4.01 Transitional