Consulta: creatorFacets:"Myers,   Robert J."
Registros recuperados: 31
Data/hora: 09/06/2024 10:21:42

ON SUPPLY SIDE OPTION VALUE
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Graham-Tomasi,   Theodore; Myers,   Robert J.
In this paper the ability to sign supply-side option value is studied.  The compensating and equivalent option prices are defined, and it is argued that equivalent option price is the preferred welfare measure.  In the absence of income risk, if the probability distribution of supply is degenerate either with or without the project, one-way test of project acceptance can be established.
Tipo: Working or Discussion Paper
Palavras-chave: Research Methods/ Statistical Methods.
Ano: 1989
URL: http://purl.umn.edu/13341

EMPIRICAL ANALYSIS OF AGRICULTURAL COMMODITY PRICES: A VIEWPOINT
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Tomek,   William G.; Myers,   Robert J.
Numerous models of price-demand-supply behavior in agricultural markets have been proposed and estimated. The literature contains valuable contributions, but the cumulative effect is somewhat disappointing. This paper appraises the status of the price analysis literature and makes suggestions for improving the quality of empirical results. Both structural and time-series models are appraised.
Tipo: Working or Discussion Paper
Palavras-chave: Demand and Price Analysis; Research Methods/ Statistical Methods.
Ano: 1993
URL: http://purl.umn.edu/6847

Optimal On-Farm Grain Storage by Risk-Averse Farmers
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Lai,   Jing-Yi; Myers,   Robert J.; Hanson,   Steven D.
Most previous research on post-harvest grain storage by farmers has assumed risk-neutral behavior and/or made restrictive assumptions about underlying price probability distributions. In this study, we solve the optimal on-farm storage problem for a risk-averse farmer under more general assumptions about underlying price distributions. The resulting model is applied to Michigan corn farmers and findings show, contrary to the "sell all or nothing" risk-neutral rule, risk-averse farmers will spread sales out over the storage season. As farmers become more risk averse, the optimal strategy is to sell more grain at harvest and spread sales over the storage season, even though this practice reduces expected return. This result is more consistent with observed...
Tipo: Journal Article
Palavras-chave: Grain storage; Risk aversion; Stochastic dynamic programming; Agribusiness.
Ano: 2003
URL: http://purl.umn.edu/31063

EFFECTS OF PAST AUSTRALIAN WHEAT PRICE POLICIES ON KEY INDUSTRY VARIABLES
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Myers,   Robert J.; Piggott,   Roley R.; MacAulay,   T. Gordon.
Evidence is provided on the extent to which wheat price policies operating over the period 1953-54 to 1983-84 achieved objectives related to the levels and stability of key industry variables. The general findings are that the levels of achievement have been modest and that trade-offs have been involved. This evidence is supplementary to the evidence already available from efficiency-based studies.
Tipo: Journal Article
Palavras-chave: Demand and Price Analysis; Marketing.
Ano: 1985
URL: http://purl.umn.edu/22513

Zambian Smallholder Behavioral Responses To Food Reserve Agency Activities
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Mason,   Nicole M.; Myers,   Robert J.
More than two decades after the initiation of agricultural market reforms in eastern and southern Africa (ESA), governments in the region are increasingly using parastatal grain marketing boards (GMBs) and/or strategic grain reserves (SGRs) to directly influence the prices faced by farmers and consumers (Jayne, Chapoto, and Govereh 2007). In Zambia, the government through the Food Reserve Agency, an SGR/GMB, purchased nearly 400,000 MT of maize from smallholders in 2006/07 and 2007/08, or more than 50% of the maize marketed by this group.
Tipo: Technical Report
Palavras-chave: Zambia; Smallholder; Food Security; Agricultural and Food Policy; Food Security and Poverty.
Ano: 2011
URL: http://purl.umn.edu/120764

SOCIAL CAPITAL, THE TERMS OF TRADE, AND THE DISTRIBUTION OF INCOME
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Robison,   Lindon J.; Myers,   Robert J.; Siles,   Marcelo E.
Social capital, a person or group's sympathy or sense of obligation for another person or group, assumes relationships can alter the terms of trade and the likelihood of trades between individuals.  Other important economic consequences of social capital result from its ability to internalize externalities.  This paper introduces social capital into the neoclassical model to derive forecasts of how relationships will alter the minimum-sell prices of farmland and the likelihood of trades between persons with different relationships.  Also deduced in this paper is the effect of social capital on the level and dispersion of benefits from trade.  Empirical evidence from a 1,500 farmland owner-operator survey is analyzed and provides support for the social...
Tipo: Working or Discussion Paper
Palavras-chave: Institutional and Behavioral Economics; International Relations/Trade.
Ano: 1999
URL: http://purl.umn.edu/11546

HEDGING WITH FUTURES AND OPTIONS UNDER A TRUNCATED CASH PRICE DISTRIBUTION
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Hanson,   Steven D.; Myers,   Robert J.; Hilker,   James H.
Many agricultural producers face cash price distributions that are effectively truncated at a lower limit through participation in farm programs designed to support farm prices and incomes. For example, the 1996 Federal Agricultural Improvement Act (FAIR) makes many producers eligible to obtain marketing loans which truncate their cash price realization at the loan rate, while allowing market prices to freely equilibrate supply and demand. This paper studies the effects of truncated cash price distributions on the optimal use of futures and options. The results show that truncation in the cash price distribution facing an individual producer provides incentives to trade options as well as futures. We derive optimal futures and options trading rules under...
Tipo: Journal Article
Palavras-chave: Farm programs; Futures; Hedging; Options; Truncation; Marketing.
Ano: 1999
URL: http://purl.umn.edu/15152

SHIFTING FOUNDATIONS OF AGRICULTURAL POLICY ANALYSIS: WELFARE ECONOMICS WHEN RISK MARKETS ARE INCOMPLETE
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Runge,   C. Ford; Myers,   Robert J.
Tipo: Working or Discussion Paper
Palavras-chave: Agricultural and Food Policy.
Ano: 1985
URL: http://purl.umn.edu/13644

Zambian Smallholder Behavioral Responses To Food Reserve Agency Activities
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Mason,   Nicole M.; Jayne,   Thomas S.; Myers,   Robert J.
More than two decades after the initiation of agricultural market reforms in eastern and southern Africa (ESA), governments in the region are increasingly using parastatal grain marketing boards (GMBs) and/or strategic grain reserves (SGRs) to directly influence the prices faced by farmers and consumers. In Zambia, for example, the government through the Food Reserve Agency, a SGR/GMB, purchased nearly 400,000 metric tons (MT) of maize from smallholders in 2006/07 and 2007/08, or more than 50% of the maize marketed by this group. This marked a sharp increase in the level of FRA purchases: between its establishment in 1996 and the 2005/06 marketing year, FRA’s annual maize purchases only once exceeded 100,000 MT. Then in 2010/11, the FRA purchased more than...
Tipo: Working Paper
Palavras-chave: Zambia; Food Security Smallholder; Agricultural and Food Policy; Food Security and Poverty.
Ano: 2011
URL: http://purl.umn.edu/120768

ESTIMATING SOURCES OF FLUCTUATIONS IN THE AUSTRALIAN WOOL MARKET: AN APPLICATION OF VAR METHODS
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Myers,   Robert J.; Piggott,   Roley R.; Tomek,   William G.
Vector autoregression (VAR) methods are used to analyse the contribution of supply, demand and policy shocks to unpredictable fluctuations in the market for Australian wool. VAR procedures are compared with conventional structural econometric models as methods for decomposing sources of instability. While each has advantages and disadvantages, VAR procedures might be viewed as preferable when the underlying market structure is complex and uncertain, as it is in the case of wool. Based on the results obtained, demand shocks are the dominant source of uncertainty in the wool market in the absence of Australian Wool Corporation intervention, but intervention has blunted their effects, reducing market uncertainty and increasing the average level of prices and...
Tipo: Journal Article
Palavras-chave: Demand and Price Analysis.
Ano: 1990
URL: http://purl.umn.edu/22357

A Test of the New Variant Famine Hypothesis: Panel Survey Evidence from Zambia
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Mason,   Nicole M.; Jayne,   Thomas S.; Chapoto,   Antony; Myers,   Robert J.
Replaced with revised version of paper 08/04/09.
Tipo: Conference Paper or Presentation
Palavras-chave: HIV/AIDS; Food security; Rural livelihoods; New variant famine hypothesis; Zambia; Africa; Food Security and Poverty; International Development; Q12.
Ano: 2009
URL: http://purl.umn.edu/51485

WHY DO FARMERS FORWARD CONTRACT IN FACTOR MARKETS?
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Haydu,   John J.; Myers,   Robert J.; Thompson,   Stanley R.
This study investigated farmers' incentives to forward purchase inputs.  A model of farmer decision making was used to derive an optimal forward contracting rule. Explicit in the model was the tradeoff between the quantity of input to be purchased in advance, and the remaining portion to be purchased later on the spot market.  Results indicated that the primary reasons farmers contract inputs are to reduce risk and to speculate on favorable price moves.  A numerical example of fertilizer used in corn production indicated that the size of the price discount was the dominant factor in forward contracting decisions.
Tipo: Journal Article
Palavras-chave: Farm Management.
Ano: 1992
URL: http://purl.umn.edu/30369

HIV/AIDS and Agrarian Livelihoods in Zambia: A Test of the New Variant Famine Hypothesis
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Mason,   Nicole M.; Chapoto,   Antony; Jayne,   Thomas S.; Myers,   Robert J.
Since the southern African food crisis of 2001/02, the ‘new-variant famine’ (NVF) hypothesis first proposed by de Waal and Whiteside (2003) has become an important part of the conventional wisdom surrounding the relationship between HIV/AIDS and food crises in the region. The NVF hypothesis suggests that HIV/AIDS is eroding agrarian livelihoods and exacerbating the effects of drought and other shocks on agrarian communities. These concepts have begun to shape the HIV/AIDS mitigation and food security policies and programs of governments and development agencies. To date, however, there is a dearth of empirical evidence to support the NVF hypothesis, and there have been no studies specifically designed to tests its predictions.
Tipo: Report
Palavras-chave: Food security; Policy; Zambia; Africa; HIV/AIDS; Crop Production/Industries; Health Economics and Policy; Q18.
Ano: 2007
URL: http://purl.umn.edu/54489

The Effect of Liberalization on Grain Prices and Marketing Margins in Ethiopia
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Jayne,   Thomas S.; Negassa,   Asfaw; Myers,   Robert J.
This report analyzes the effects of grain market reform in Ethiopia on grain prices and price spreads between major wholesale markets. The experience of Ethiopia during the 1990s represents a case in which a relatively consistent and internally-driven program of grain market liberalization has been pursued with the general approval of international lenders and donors. The state marketing board, while not abolished, has been substantially downsized and has become a marginal actor in the current grain marketing system. Hence, the case of Ethiopia between 1990 and 1997 may constitute a particularly important test of the hypothesis expressed by reform advocates that the removal of regulatory constraints on private trade and the transition to a market-oriented...
Tipo: Report
Palavras-chave: Food security; Food policy; Grain market reform; Ethiopia; International Relations/Trade; Research and Development/Tech Change/Emerging Technologies; Downloads June 2008 - July 2009: 37; Q18.
Ano: 1998
URL: http://purl.umn.edu/54681

ANALYZING GRAIN MARKET EFFICIENCY IN DEVELOPING COUNTRIES: REVIEW OF EXISTING METHODS AND EXTENSIONS TO THE PARITY BOUNDS MODEL
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Negassa,   Asfaw; Myers,   Robert J.; Gabre-Madhin,   Eleni Z.
This paper discusses a modeling approach that extends and improves the standard parity bounds model (PBM) of spatial market efficiency by analyzing the dynamic effects of marketing policy changes. The model facilitates an improved understanding of the patterns of adjustment in grain marketing efficiency in response to policy changes in two main ways. First, it identifies whether there are statistically significant structural changes in trading regime probabilities as a result of a given marketing policy change. Second, it determines the time path of the response of spatial grain market efficiency to marketing policy changes, thus addressing the issue of how long will it take before the full effect of marketing policy change is realized on spatial grain...
Tipo: Working or Discussion Paper
Palavras-chave: Marketing.
Ano: 2003
URL: http://purl.umn.edu/16132

Regime shifts and technology diffusion in crop yield growth paths with an application to maize yields in Zimbabwe
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Myers,   Robert J.; Jayne,   Thomas S.
An alternative specification for the trend component of crop yield growth is developed and applied to maize yield data for Zimbabwe’s large‐scale farming sector. This accounts for permanent regime shifts as new technologies are discovered but allows gradual absorption as adoption follows a diffusion path. Econometric methods are used to estimate the timing and importance of innovations, as well as the length of the diffusion path. Results from an application to Zimbabwe commercial maize yields indicate two major regime shifts that can be associated with the introduction of hybrid seed varieties, and a diffusion path that extends over a decade.
Tipo: Journal Article
Palavras-chave: Crop Production/Industries.
Ano: 1997
URL: http://purl.umn.edu/118043

GRAIN MARKETING POLICY CHANGES AND SPATIAL EFFICIENCY OF MAIZE AND WHEAT MARKETS IN ETHIOPIA
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Negassa,   Asfaw; Myers,   Robert J.; Gabre-Madhin,   Eleni Z.
In the context of on-going market reform in developing countries, there is a need for an improvement in the existing methods of spatial market efficiency analysis in order to better inform the debate toward designing and implementing new grain marketing policies, institutions, and infrastructure that facilitate the emergence of a well developed and competitive grain marketing system. The standard parity bounds model (PBM), while it overcomes many weaknesses of the conventional methods of spatial market efficiency analysis, it does not allow for the test of structural changes in spatial market efficiency as a result of policy changes. In this paper, building on the standard PBM, we develop an extended parity bounds model (EPBM). The EPBM is a stochastic...
Tipo: Working or Discussion Paper
Palavras-chave: Crop Production/Industries; Marketing.
Ano: 2003
URL: http://purl.umn.edu/16133

DYNAMIC RISK MANAGEMENT UNDER CREDIT CONSTRAINTS
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Nyambane,   Gerald G.; Hanson,   Steven D.; Myers,   Robert J.; Black,   J. Roy.
The vast majority of previous studies on farmers' optimal risk management behavior have used static models and on the most part ignored use of borrowing and lending as an alternative method of managing risk In this paper we develop a stylized multi-period risk management model for a risk averse farmer who can use revenue insurance to manage risk and also borrow and lend subject to a credit constraint. The model is applied to an example farm from Adair County in Iowa and the results provide three important messages. First, contrary to the full coverage of actuarially fair insurance result expected from using purely static analysis, at low revenues, insurance coverage may not be taken in the absence of debt. Second, if debt is available, full coverage will...
Tipo: Conference Paper or Presentation
Palavras-chave: Risk and Uncertainty.
Ano: 2002
URL: http://purl.umn.edu/19072

Time Series Econometrics and Commodity Price Analysis: A Review
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Myers,   Robert J.
Tipo: Journal Article
Palavras-chave: Demand and Price Analysis.
Ano: 1994
URL: http://purl.umn.edu/12482

The Effects of the Food Reserve Agency on Maize Market Prices in Zambia.
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Mason,   Nicole M.; Myers,   Robert J.
Over the last decade, governments in eastern and southern Africa have become increasingly involved in grain marketing via strategic reserves and marketing boards. Kenya, Malawi, Zimbabwe, Ethiopia, Tanzania, and Zambia all have one or both of these entities, and their level of involvement in grain marketing has generally increased in recent years. Yet, to date, relatively little is known about how the resurgent activities of strategic grain reserves and marketing boards are affecting market prices. This paper estimates the effects of the Zambia Food Reserve Agency’s (FRA) activities on maize market prices in the country.
Tipo: Working Paper
Palavras-chave: Zambia; Food Security; Maize; Agricultural and Food Policy; Food Security and Poverty.
Ano: 2011
URL: http://purl.umn.edu/120771

Testing for Constant Hedge Ratios in Commodity Markets: A Multivariate GARCH Approach
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Moschini,   GianCarlo; Myers,   Robert J.
We develop a new multivariate GARCH parameterization that is suitable for testing the hypothesis that the optimal futures hedge ratio is constant over time, given that the joint distribution of cash and futures prices is characterized by autoregressive conditional heteroskedasticity. The advantage of the new parameterization is that it allows for a flexible form of time-varying volatility, even under the null of a constant hedge ratio. The model is estimated using weekly corn prices. Statistical tests reject the null hypothesis of a constant hedge ratio and also reject the null that time variation in optimal hedge ratios can be explained solely by deterministic seasonality and time-to-maturity effects.
Tipo: Working or Discussion Paper
Palavras-chave: Autoregressive conditional heteroskedasticity; Futures; Hedging; Marketing.
Ano: 2001
URL: http://purl.umn.edu/18516

How Should We Value Agricultural Insurance Contracts
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Myers,   Robert J.; Liu,   Yanyan; Hanson,   Steven D.
We argue that existing agricultural insurance valuation models are limited either because they are not complete equilibrium models that price the non-diversifiable risk involved in issuing insurance contracts, or they assume complete markets which appears at odds with most applications of agricultural insurance. We also propose two new incomplete market models and derive an insurance valuation formula for each under the assumption of constant relative risk aversion preferences and  lognormally distributed random variables. The two models differ in the way they treat trade in insurance contracts, with one model allowing insurers and insureds to trade freely on a liquid secondary market, while the other requires insurance firms to act as brokers between...
Tipo: Conference Paper or Presentation
Palavras-chave: Risk and Uncertainty.
Ano: 2005
URL: http://purl.umn.edu/19561

Measuring Integration and Efficiency in Maize Grain Markets: The Case of South Africa and Mozambique
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Traub,   Lulama Ndibongo; Myers,   Robert J.; Jayne,   Thomas S.; Meyer,   Ferdinand H.
Price transmission between the South African market and other regional markets is not as straightforward, despite South Africa’s role of a surplus producer for the region. There appears to be a host of local factors that must be taken into account in order to anticipate the likely level of regional food prices. This article assesses the degree of market integration and the speed of price adjustment to spatial price differentials between the SAFEX maize price in South Africa and maize grain and maize meal prices in Maputo, Mozambique. The findings of this study indicate that under certain trading regimes, there is no evidence of a long-run relationship between Mozambican and South African maize grain prices. This implies that any large deviations, within...
Tipo: Journal Article
Palavras-chave: Price transmission; Market integration; Cointegration; Trade regimes; Crop Production/Industries.
Ano: 2010
URL: http://purl.umn.edu/96644

FORECASTING ACCURACY, RATIONAL EXPECTATIONS AND MARKET EFFICIENCY IN THE US BEEF CATTLE INDUSTRY
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Schaefer,   Matthew P.; Myers,   Robert J.
Recent studies have tested whether futures prices respond to U.S. Department of Agriculture inventory reports in accordance with the efficient markets hypothesis.  These studies use survey forecasts to identify the anticipated and unanticipated information contained in a report.  However, this approach implicitly assumes that survey forecasts be an unbiased and efficient predictor of the data in the USDA report.  Furthermore, previous studies have not tested the bias and efficiency properties of USDA preliminary estimates as predictors of final revised USDA figures.  This study introduces a framework for conducting tests of the efficient markets hypothesis in the presence of biased and inefficient survey forecasts, and preliminary USDA estimates that are...
Tipo: Conference Paper or Presentation
Palavras-chave: Market efficiency; Rational expectations; Survey forecasts; Cattle On-Feed Report; Financial Economics; Livestock Production/Industries; Production Economics.
Ano: 1999
URL: http://purl.umn.edu/21487

AJAE Appendix: Estimating Policy Effects on Spatial Market Efficiency: An Extension to the Parity Bounds Model
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Muleta,   Asfaw Negassa; Myers,   Robert J.
The material contained herein is supplementary to the article named in the title and published in the American Journal of Agricultural Economics, May 2007, Volume 89, Issue 2.
Tipo: Journal Article
Palavras-chave: Marketing.
Ano: 2007
URL: http://purl.umn.edu/7410

The Effects of the Food Reserve Agency on Maize Market Prices in Zambia
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Mason,   Nicole M.; Myers,   Robert J.
This policy synthesis estimates the effects of the Zambia Food Reserve Agency’s (FRA) activities on maize market prices in the country. The FRA, a government parastatal strategic food reserve/maize marketing board, buys maize at a pan-territorial price that typically exceeds wholesale market prices in major maize producing areas. It then exports the maize or sells it domestically at prices determined by tender, at auction, or administratively. In deficit production years, the Agency often imports maize and sells it to select large-scale millers at below-market prices.
Tipo: Technical Report
Palavras-chave: Zambia; Maize; Food Security; Agricultural and Food Policy; Food Security and Poverty.
Ano: 2011
URL: http://purl.umn.edu/120766

INVESTMENT UNDER UNCERTAINTY AND DYNAMIC ADJUSTMENT IN FINNISH PORK INDUSTRY
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Pietola,   Kyosti; Myers,   Robert J.
A dynamic dual model of investment under uncertainty is applied to a panel of Finnish hog farms.  Stochastic dynamic programming is used to characterize duality relations.  The model accommodates irreversibility and/or asymmetric adjustment costs.  Results have important implications for Finland's hog industry as it adjusts to entry into the European Unit.
Tipo: Conference Paper or Presentation
Palavras-chave: Livestock Production/Industries; Research Methods/ Statistical Methods; Risk and Uncertainty.
Ano: 1998
URL: http://purl.umn.edu/20953

HIV/AIDS and Agrarian Livelihoods in Zambia: a Test of the New Variant Famine Hypothesis.
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Mason,   Nicole M.; Chapoto,   Antony; Jayne,   Thomas S.; Myers,   Robert J.
1. Consistent with the New Variant Famine (NVF) hypothesis, the negative impact of drought on crop output and output per hectare is further exacerbated where HIV prevalence rates are relatively high, particularly in the low- and medium rainfall zones of the country (agro-ecological regions I and II). 2. HIV prevalence rates and AIDS-related mortality rates in Zambia are highest in the lowest rainfall and most drought-prone zone of the country (agro-ecological region I). 3. Only for districts in agro-ecological region I do we find evidence of a robust negative effect of HIV/AIDS on agrarian livelihood indicators. Relatively stable food production zones and/or areas with relatively low HIV prevalence rates appear to be less vulnerable to the adverse effects...
Tipo: Report
Palavras-chave: Food security; Food policy; Zambia; HIV/AIDS; Food Security and Poverty; Health Economics and Policy; Q20.
Ano: 2007
URL: http://purl.umn.edu/54629

OPTIMAL POST-HARVEST GRAINS STORAGE BY RISK AVERSE FARMERS
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Lai,   Jing-Yi; Myers,   Robert J.; Hanson,   Steven D.
Most previous research on post-harvest grain storage by farmers has assumed risk-neutral behavior and/or made restrictive assumptions about underlying price probability distributions.  In this study we solve the optimal post-harvest storage problem for a risk averse farmer under more general assumptions about underlying price distributions.  The resulting model is applied to Michigan corn farmers and results show that, contrary to the sell all-or-nothing risk-neutral rule, risk averse farmers will spread sales out over the storage season.  The optimal pattern for sales by Michigan corn farmers is to sell approximately 50% of corn at harvest in November (a risk-reduction strategy) and approximately 40% in May (a return-enhancing strategy).
Tipo: Working or Discussion Paper
Palavras-chave: Crop Production/Industries.
Ano: 2001
URL: http://purl.umn.edu/11739

Patterns and Trends in Food Staples Markets in Eastern and Southern Africa:   Toward the Identification of Priority Investments and Strategies for Developing Markets and Promoting Smallholder Productivity Growth
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Jayne,   Thomas S.; Mason,   Nicole M.; Myers,   Robert J.; Ferris,   John N.; Mather,   David; Beaver,   Margaret; Lenski,   Natalie; Chapoto,   Antony; Boughton,   Duncan.
Accurate information on farmer and consumer behavior is the foundation for  Identifying public investments and policies that can effectively promote national food security and income growth objectives. This report synthesizes recent findings on smallholder crop  marketing behavior and urban consumption patterns in Eastern and Southern Africa, and their implications for public sector investments and policies to promote smallholder incomes and national food security.
Tipo: Report
Palavras-chave: Food security; Africa; Smallholder markets; Agribusiness; Agricultural and Food Policy; Agricultural Finance; Community/Rural/Urban Development; Crop Production/Industries; International Development; Marketing; Q14; Q13; Q12; Q11.
Ano: 2010
URL: http://purl.umn.edu/62148

The Effects of Government Maize Marketing Policies on Maize Market Prices in Kenya
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Jayne,   Thomas S.; Myers,   Robert J.; Nyoro,   James K.
The Government of Kenya pursues maize marketing policy objectives through the National Cereals and Produce Board (NCPB) which procures and sells maize at administratively determined prices, and stores maize as a contingency against future shortages. A private sector marketing channel competes with the NCPB and prices in this channel are set by supply and demand forces. This paper estimates the effects of NCPB activities on the historical path of private sector maize market prices in Kenya between 1989 and 2004. Results provide important insights into the historical effects of the NCPB, and will provide useful input into deliberations on the appropriate role for the NCPB in the future. It was not possible to use a fully structural econometric model to...
Tipo: Conference Paper or Presentation
Palavras-chave: Kenya; Income transfers; Maize policy; Price stabilization; VAR; International Development; C22; O2; Q13; Q18.
Ano: 2006
URL: http://purl.umn.edu/25555