Sabiia Seb
PortuguêsEspañolEnglish
Embrapa
        Busca avançada

Botão Atualizar


Botão Atualizar

Ordenar por: RelevânciaAutorTítuloAnoImprime registros no formato resumido
Registros recuperados: 54
Primeira ... 123 ... Última
Imagem não selecionada

Imprime registro no formato completo
1995 PRICING PERFORMANCE OF MARKET ADVISORY SERVICES FOR CORN AND SOYBEANS AgEcon
Jackson, Thomas E.; Irwin, Scott H.; Good, Darrel L..
The purpose of this research report is to present an evaluation of advisory service pricing performance in 1995 for corn and soybeans. Specifically, the average price received by a subscriber to an advisory service is calculated for corn and soybean crops harvested in 1995. The average net advisory price across all 25 corn programs is $3.04 per bushel. The range of net advisory prices for corn is quite large, with a minimum of $2.34 per bushel and a maximum of $3.81 per bushel. The average net advisory price across all 25 soybean programs is $6.61 per bushel. As with corn, the range of net advisory prices for soybeans is substantial, with a minimum of $5.75 per bushel and a maximum of $7.92 per bushel.
Tipo: Working or Discussion Paper Palavras-chave: Agricultural Market Advisory Service (AgMAS) Project; D4; D7; D8; G1; G2; H4; H8; Q1; Z1; Marketing.
Ano: 1997 URL: http://purl.umn.edu/14790
Imagem não selecionada

Imprime registro no formato completo
1996 PRICING PERFORMANCE OF MARKET ADVISORY SERVICES FOR CORN AND SOYBEANS AgEcon
Jackson, Thomas E.; Irwin, Scott H.; Good, Darrel L..
The purpose of this research report is to present an evaluation of advisory service pricing performance in 1996 for corn and soybeans. Specifically, the average price received by a subscriber to an advisory service is calculated for corn and soybean crops harvested in 1996. The average net advisory price across all 26 corn programs is $2.63 per bushel. The range of net advisory prices for corn is quite large, with a minimum of $2.08 per bushel and a maximum of $3.12 per bushel. The average net advisory price across all 24 soybean programs is $7.27 per bushel. As with corn, the range of net advisory prices for soybeans is substantial, with a minimum of $6.80 per bushel and a maximum of $7.80 per bushel.
Tipo: Working or Discussion Paper Palavras-chave: Agricultural Market Advisory Services; G1; D8; D7; D4; G2; H4; H8; Q1; Z1; Marketing.
Ano: 1998 URL: http://purl.umn.edu/14787
Imagem não selecionada

Imprime registro no formato completo
1997 PRICING PERFORMANCE OF MARKET ADVISORY SERVICES FOR CORN AND SOYBEANS AgEcon
Jackson, Thomas E.; Irwin, Scott H.; Good, Darrel L..
The purpose of this research report is to present an evaluation of advisory service pricing performance in 1997 for corn and soybeans. Specifically, the average price received by a subscriber to an advisory service is calculated for corn and soybean crops harvested in 1997. The average net advisory price across all 23 corn programs is $2.32 per bushel. The net advisory prices for corn range from a minimum of $2.00 per bushel to a maximum of $2.74 per bushel. The average net advisory price across all 21 soybean programs is $6.40 per bushel. The net advisory prices for soybeans range from a minimum of $6.08 per bushel to a maximum of $6.99 per bushel.
Tipo: Working or Discussion Paper Palavras-chave: Evaluation of advisory services; Pricing performance; Soybeans; C8; D4; D8; L1; M3; Q0; Z0; Marketing.
Ano: 1999 URL: http://purl.umn.edu/14780
Imagem não selecionada

Imprime registro no formato completo
A Cost Approach to Economic Analysis under Production Uncertainty AgEcon
Chavas, Jean-Paul.
This paper explores the economics of input decision by a firm facing production uncertainty. It relies on a state-contingent approach to production uncertainty. First, the paper develops a methodology to specify and estimate cost-minimizing input decisions under a state-contingent technology. Second, the analysis is applied to time series data on US agriculture. It finds strong empirical evidence that, in the analysis of input choices, expected output alone does not provide an appropriate representation of production uncertainty. The results provide empirical support for an output-cubical technology. This indicates that an ex post analysis of stochastic technology (as commonly found in previous research) appears appropriate. The analysis also provides...
Tipo: Conference Paper or Presentation Palavras-chave: Production uncertainty; State contingent; Cost; Cubical technology.; Research Methods/ Statistical Methods; C3; D21; D8.
Ano: 2006 URL: http://purl.umn.edu/21081
Imagem não selecionada

Imprime registro no formato completo
A Theory of Strategic Diffusion AgEcon
Goyal, Sanjeev; Galeotti, Andrea.
The important role of friends, neighbors and colleagues in shaping individual choices has been brought out in a number of studies over the years. The presence of significant ‘local’ influence in shaping individual behavior suggests that firms, governments and developmental agencies should explicitly incorporate it in the design of their marketing and developmental strategies. This paper develops a framework for the study of optimal strategies in the presence of social interaction. We focus on the case of a single player who exerts costly effort to get a set of individuals – engaged in social interaction – to choose a certain action. Our formulation allows for different types of social interaction (ranging from sharing of information to direct adoption...
Tipo: Working or Discussion Paper Palavras-chave: Social Interaction; Seeding the Network; Word of Mouth Communication; Diffusion Strategy; Institutional and Behavioral Economics; D8; L15.
Ano: 2007 URL: http://purl.umn.edu/9096
Imagem não selecionada

Imprime registro no formato completo
A Two-Stage Value Chain Model for Vegetable Marketing Chain Efficiency Evaluation: A Transaction Cost Approach AgEcon
Lu, Hualiang.
We applied a two-stage value chain model to investigate the effects of input application and occasional transaction costs on vegetable marketing chain efficiencies with a farm household-level data set. In the first stage, the production efficiencies with the combination of resource endowments, capital and managerial inputs, and production techniques were evaluated; then at the second stage, the marketing technical efficiencies were determined under the marketing value of the vegetables for three typical marketing chains in Nanjing area, P.R. China. The impacts of the transaction costs to the supply chain technical efficiency both at the production and marketing stages were examined by using Tobit model. Study showed that transaction costs significantly...
Tipo: Conference Paper or Presentation Palavras-chave: Two-stage value chain model; Data envelopment analysis; Technical efficiency; Transaction cost; Vegetable; China; Industrial Organization; D1; D8; Q13; Q18.
Ano: 2006 URL: http://purl.umn.edu/25327
Imagem não selecionada

Imprime registro no formato completo
Adopting Organic Agriculture: An Investigation Using the Theory of Planned Behaviour AgEcon
Hattam, Caroline.
Certified organic production by small-scale farmers in developing countries is increasingly promoted as an opportunity to access a growing and dynamic market, while at the same time, enhance productivity and improve incomes. Nevertheless, adoption has been limited. The economics literature suggests profitability is the main constraint, however, the sustainable agriculture literature is inconclusive and considers attitudes of significant importance. Using the Theory of Planned Behaviour, this study investigates the psychological barriers to adoption using small-scale avocado producers from Michoacan, Mexico as a case study. The data is obtained from a household study carried out during 2004 and is modelled using an ordered probit model. Despite positive...
Tipo: Conference Paper or Presentation Palavras-chave: Organic agriculture; Theory of planned behaviour; Entry barriers; O13; Production Economics; Q12; D8.
Ano: 2006 URL: http://purl.umn.edu/25269
Imagem não selecionada

Imprime registro no formato completo
Adoption of New Seed Varieties Under Production Risk: An Application to Rice in Iran AgEcon
Bakhshoodeh, Mohamad; Shajari, S..
This paper focuses on linkage between new rice seed varieties and production risk and also factors affecting adoption of these varieties in Iran. Farm-level data were collected from a sample of 154 rice farms located in two major districts of Fars province in Southern Iran for 2001-02. The risk-premium associated with the use of seed is estimated following by analyzing a moment-based production risk approach. The results show that the risk premium increases with new seed varieties in the lack of appropriate production conditions implying that new seed varieties is a riskincreasing input and involves a higher cost of risk. However, under suitable production conditions, the cultivation of new rice varieties on average ensures greater yield and at the same...
Tipo: Conference Paper or Presentation Palavras-chave: Production risk; Moments-based estimation; New seed varieties; Rice; Crop Production/Industries; D8; Q12; Q16.
Ano: 2006 URL: http://purl.umn.edu/25578
Imagem não selecionada

Imprime registro no formato completo
AGRICULTURAL POLICY UNCERTAINTY AND ANTICIPATORY FIRM LEVEL ADJUSTMENTS AgEcon
Lagerkvist, Carl Johan.
This paper investigates, through a dynamic stochastic adjustment model the extent to which an active agricultural policy can be the source of volatility in agricultural investment. It is shown that noise in formulation of agricultural policy has adverse effects even in cases where earlier results would take that investment is increased.
Tipo: Conference Paper or Presentation Palavras-chave: Uncertainty; Agricultural Policy; Investment; Agricultural and Food Policy; Financial Economics; Risk and Uncertainty; D8; E2; H20; Q18.
Ano: 2000 URL: http://purl.umn.edu/21734
Imagem não selecionada

Imprime registro no formato completo
Auctioning Conservation Payments using Environmental Indices AgEcon
Cattaneo, Andrea.
A framework for analyzing conservation programs that rank applications using environmental indices is presented. We derive the optimal bid from the farmer's perspective for both land retirement and working lands agri-environmental payment programs and we analyze how these solutions depend on program design parameters. The distinction is made between environmental objectives based on whether the farmer exercises control or not over the level proposed in a bid to participate in a program. The optimization model is solved analytically for two cases - a land retirement and a working lands program - highlighting the differences in the results. For land retirement programs we conclude that, for the cases considered, the exogenous environmental performance does...
Tipo: Conference Paper or Presentation Palavras-chave: Environmental payments; Program design; Participation incentives; D8; H5; Q28; Environmental Economics and Policy.
Ano: 2006 URL: http://purl.umn.edu/25438
Imagem não selecionada

Imprime registro no formato completo
Bayesian Learning and the Regulation of Greenhouse Gas Emissions AgEcon
Karp, Larry S.; Zhang, Jiangfeng.
We study the importance of anticipated learning - about both environmental damages and abatement costs - in determining the level and the method of controlling greenhouse gas emissions. We also compare active learning, passive learning, and parameter uncertainty without learning. Current beliefs about damages and abatement costs have an important effect on the optimal level of emissions, However, the optimal level of emissions is not sensitive either to the possibility of learning about damages. or to the type of learning (active or passive), Taxes dominate quotas, but by a small margin.
Tipo: Working or Discussion Paper Palavras-chave: Climate change; Uncertainty; Bayesian learning; Asymmetric information; Choice of instruments; Dynamic optimization; Environmental Economics and Policy; Research Methods/ Statistical Methods; Cll; C6l; D8; H2l; Q28.
Ano: 2001 URL: http://purl.umn.edu/6214
Imagem não selecionada

Imprime registro no formato completo
Contracting for Impure Public Goods: Carbon Offsets and Additionality AgEcon
Mason, Charles F.; Plantinga, Andrew J..
Governments contracting with private agents for the provision of an impure public good must contend with agents who would potentially supply the good absent any payments. This additionality problem is centrally important in the use of carbon offsets as part of climate change mitigation. Analyzing optimal contracts for forest carbon sequestration, an important offset category, we conduct a national-scale simulation using results from an econometric model of land-use change. The results indicate that for an increase in forest area of 50 million acres, annual government expenditures with optimal contracts are about $4 billion lower compared than under a uniform subsidy.
Tipo: Working or Discussion Paper Palavras-chave: Carbon Sequestration; Incentive Contracting; Offsets; Additionality; Environmental Economics and Policy; Q2; D8; L15.
Ano: 2011 URL: http://purl.umn.edu/101290
Imagem não selecionada

Imprime registro no formato completo
Controlling a Stock Pollutant with Endogenous Abatement Capital and Asymmetric Information AgEcon
Karp, Larry S.; Zhang, Jiangfeng.
Non-strategic firms with rational expectations make investment and emissions decisions. The investment rule depends on firms' beliefs about future emissions policies. We compare emissions taxes and quotas when the (strategic) regulator and (nonstrategic) firms have asymmetric information about abatement costs, and all agents use Markov Perfect decision rules. Emissions taxes create a secondary distortion at the investment stage, unless a particular condition holds; emissions quotas do not create a secondary distortion. We solve a linear-quadratic model calibrated to represent the problem of controlling greenhouse gasses. The endogeneity of abatement capital favors taxes, and it increases abatement.
Tipo: Working or Discussion Paper Palavras-chave: Pollution control; Investment; Asymmetric information; Rational expectations; Choice of instruments; Environmental Economics and Policy; C61; D8; H21; Q28.
Ano: 2002 URL: http://purl.umn.edu/25071
Imagem não selecionada

Imprime registro no formato completo
Coordinating to Eradicate Animal Disease, and the Role of Insurance Markets AgEcon
Hennessy, David A..
Farmed animal production has traditionally been a dispersed sector. Biosecurity actions relevant to eradicating infectious diseases are generally non-contractible, and might involve inordinately high transactions costs if they were contractible. If an endemic disease is to be eradicated within a region, synchronized actions need to be taken to reduce incidence below a critical mass so that spread can be contained. Using a global game model of coordination under public and private information concerning the critical mass required, this paper characterizes the success probability in an eradication campaign. As is standard in global games, heterogeneity in private signals can support a unique equilibrium. Partly because of strategic interactions, concentrated...
Tipo: Working or Discussion Paper Palavras-chave: Biosecurity; Coordination failure; Disease insurance; Endemic disease; Global games; Market access; Public information; Veterinary public health; Livestock Production/Industries; D8; H4; Q1.
Ano: 2007 URL: http://purl.umn.edu/7702
Imagem não selecionada

Imprime registro no formato completo
Credit Accessibility, Risk Attitude, and Social Learning: Investment Decisions of Aquaculture in Rural Indonesia AgEcon
Miyata, Sachiko; Sawada, Yasuyuki.
This study examines the factors that influenced poor Indonesian farmers to invest in floating net aquaculture after being relocated due to a reservoir construction project. To compare three primary decision factors, credit accessibility, risk attitudes, and social learning, (i.e., learning effects from others’ experience), we analyze 16 years of socio-economic retrospective data collected in the field interviews exclusively for this study. Our analysis reveals that credit accessibility and risk attitudes are the most important factors that influence the rate of aquaculture investment. Social learning as well as household education also influences the investment decision significantly. Our results suggest that developmen t projects that involve voluntary...
Tipo: Conference Paper or Presentation Palavras-chave: Household investment decision; Credit constraints; Risk attitudes; Social learning; Panel data; Farm Management; D1; D8; D12; Q22.
Ano: 2006 URL: http://purl.umn.edu/25669
Imagem não selecionada

Imprime registro no formato completo
Decision Support Systems in Australian Agriculture: State of the Art and Future Development AgEcon
Nguyen, Nam C.; Wegener, Malcolm K.; Russell, Iean W..
This paper reports and discusses the results of a survey conducted with experts working in the field of decision support systems (DSS) in Australian agriculture. It also reviews the literature on DSS in the light of these experts' responses. The findings from this survey have consolidated our understanding of the current state of DSS in Australian agriculture. The uptake of DSS by farmers has been slow and various issues said to be contributing to this include fear of using computers, time constraints, poor marketing, complexity, lack of local relevance, lack of end-user involvement, and mismatched objectives between developers and users. The future prospect for the development of DSS was generally regarded to be poor. Never-the-less, the authors believe...
Tipo: Conference Paper or Presentation Palavras-chave: DSS; Farmers' decision-making; Expert opinion; Management decisions; Farm Management; D7; D8; Q12; Q13; Q16.
Ano: 2006 URL: http://purl.umn.edu/25581
Imagem não selecionada

Imprime registro no formato completo
Determining Project-Based Emissions Baselines with Incomplete Information AgEcon
Fischer, Carolyn.
Project-based mechanisms for emissions reductions credits, like the Clean Development Mechanism, pose important challenges for policy design because of several inherent characteristics. Participation is voluntary. Evaluating reductions requires assigning a baseline for a counterfactual that cannot be measured. Some investments have both economic and environmental benefits and might occur anyway. Uncertainty surrounds both emissions and investment returns. Parties to the project are likely to have more information than the certifying authority. The certifying agent is limited in its ability to design a contract that would reveal investment intentions. As a result, rules for baseline determination may be systematically biased to overallocate, and they also...
Tipo: Working or Discussion Paper Palavras-chave: Climate policy; Clean Development Mechanism; Baseline emissions; Asymmetric information; Environmental Economics and Policy; D8; Q4.
Ano: 2002 URL: http://purl.umn.edu/10520
Imagem não selecionada

Imprime registro no formato completo
DEVELOPMENT OF A MARKET BENCHMARK PRICE FOR AGMAS PERFORMANCE EVALUATIONS AgEcon
Good, Darrel L.; Irwin, Scott H.; Jackson, Thomas E..
The purpose of this research report is to identify the appropriate market benchmark price to use to evaluate the pricing performance of market advisory services that are included in the annual AgMAS pricing performance evaluations. Five desirable properties of market benchmark prices are identified. Three potential specifications of the market benchmark price are considered: the average price received by Illinois farmers, the harvest cash price, and the average cash price over a two-year crop marketing window. The average cash price meets all of the desired properties, except that it would not be easily implementable by producers. It can be shown, though, that the price realized via a more manageable strategy of "spreading" sales during the marketing...
Tipo: Working or Discussion Paper Palavras-chave: Advisory services; Evaluating the pricing performance; Market benchmark price; C8; C0; D4; D8; L1; M3; Q0; Z0; Marketing.
Ano: 1998 URL: http://purl.umn.edu/14783
Imagem não selecionada

Imprime registro no formato completo
Economic and environmental effects of an EU flat rate for the Dutch agricultural sector AgEcon
Helming, John F.M.; Peerlings, Jack H.M..
The objective of this research is to give insights into the production, income and environmental effects of the introduction of an EU flat rate for Dutch agriculture. For this purpose, a detailed agri-environmental programming model for Dutch agriculture is used. Results of the EU flat rate scenario are compared to a reference scenario that describes agricultural production in the Netherlands in 2020. Results show that total gross margin in Dutch agriculture decreases because of the EU flat rate with 7%. The supply of starch potatoes and cow milk decreases most. Production of seed and consumption potatoes, vegetables and intensive livestock products increases slightly. This is largely due to a shift of farm payments from milk and starch potatoes...
Tipo: Presentation Palavras-chave: EU flat rate; Mathematical programming; Income volatility; Agricultural and Food Policy; Risk and Uncertainty; Q1; D8.
Ano: 2012 URL: http://purl.umn.edu/122481
Imagem não selecionada

Imprime registro no formato completo
Effects of volatile output prices on agricultural land-use change AgEcon
Boere, Esther; Peerlings, Jack H.M.; Reinhard, Stijn; Kuhlman, Tom; Heijman, Wim J.M..
Volatile output prices lead to a fluctuating shadow price (profitability) of agricultural land, and therefore may impact land use decisions in case of risk-averse behaviour. In this paper we assess the effect of volatile agricultural output prices on agricultural land-use change over the past decade in the Netherlands. Using regional data from 2000 through 2009, the number of hectares of land for 10 land uses was calculated. To determine the joint distribution of agricultural activities, hectares of land for each land use were converted to land share equations. Land share equations were estimated to determine the contribution of increased price volatility to land use change. Results show that larger volatility affects land shares negatively. Producer’s...
Tipo: Presentation Palavras-chave: Land-use; Risk; Price volatility; Risk and Uncertainty; Q1; D8.
Ano: 2012 URL: http://purl.umn.edu/122472
Registros recuperados: 54
Primeira ... 123 ... 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