Open Access. Powered by Scholars. Published by Universities.®

Agricultural and Resource Economics Commons™

Open Access. Powered by Scholars. Published by Universities.®

Agribusiness

Institution
Keyword
Publication Year
Publication
Publication Type
File Type

Articles 271 - 300 of 459

Full-Text Articles in Agricultural and Resource Economics

The Irish Dairy Industry: Globalisation, Competition, Recession, & Consumerism, Brian Clancy, Angela Wright Mar 2013

The Irish Dairy Industry: Globalisation, Competition, Recession, & Consumerism, Brian Clancy, Angela Wright

Dept. of Organisation & Professional Development Publications

In today’s global environment, the dairy farmer and his herd have lost major importance and influence as a consequence of a variety of factors, among them the Industrial revolution, continued and increasing consumerism, the technological explosion, and the ever-expanding concentration of people in urban areas. This research study examines the Irish dairy industry in its current format. The objective of this study is to look at what dairy farmers need to do to grow and expand their business efficiently and effectively. The major challenge for the industry is to attract a new generation of knowledgeable workers to the land. This …


Funding Public Services: Opinions Of Nonmetropolitan Nebraskans, 2013 Nebraska Rural Poll Results, Rebecca J. Vogt, Cheryl A. Burkhart-Kriesel, Randolph L. Cantrell, Bradley Lubben, Eric Thompson Jan 2013

Funding Public Services: Opinions Of Nonmetropolitan Nebraskans, 2013 Nebraska Rural Poll Results, Rebecca J. Vogt, Cheryl A. Burkhart-Kriesel, Randolph L. Cantrell, Bradley Lubben, Eric Thompson

Nebraska Rural Poll

Most rural Nebraskans seem content with current levels of spending on many public services and activities. Over one-half propose no changes in the level of spending for most of the public services listed. Only one item, unemployment compensation, had a majority say they would like to see less spending for it. And, many rural Nebraskans would propose an increase in spending for education as well as roads and bridges.

Not surprising, many groups favor an increase in spending on items important to them. Younger persons are more likely than older persons to favor an increase in spending for education. Persons …


Community And Individual Well-Being In Nonmetropolitan Nebraska: 2013 Nebraska Rural Poll Results, Rebecca J. Vogt, Cheryl A. Burkhart-Kriesel, Randolph L. Cantrell, Bradley Lubben Jan 2013

Community And Individual Well-Being In Nonmetropolitan Nebraska: 2013 Nebraska Rural Poll Results, Rebecca J. Vogt, Cheryl A. Burkhart-Kriesel, Randolph L. Cantrell, Bradley Lubben

Nebraska Rural Poll

By many different measures, rural Nebraskans are positive about their community. Many rural Nebraskans rate their community as friendly, trusting and supportive. Most rural Nebraskans also say it would be difficult to leave their community. In addition, most rural Nebraskans disagree that their community is powerless to control its future.

Differences of opinion exist by the size of their community. Residents of smaller communities are more likely than residents of larger communities to rate their community favorably on its social dimensions. However, residents of larger communities are more likely than residents of smaller communities to say their community has changed …


Water And Climate: Perceptions Of Nonmetropolitan Nebraskans: 2013 Nebraska Rural Poll Results, Rebecca J. Vogt, Cheryl A. Burkhart-Kriesel, Randolph L. Cantrell, Bradley Lubben Jan 2013

Water And Climate: Perceptions Of Nonmetropolitan Nebraskans: 2013 Nebraska Rural Poll Results, Rebecca J. Vogt, Cheryl A. Burkhart-Kriesel, Randolph L. Cantrell, Bradley Lubben

Nebraska Rural Poll

Many rural Nebraskans have experienced loss of wildlife and wildlife habitat, voluntary decrease in water usage, decreased farm production and wildfires to some extent as a result of last year’s drought. The majority of persons with occupations in agriculture have experienced decreased farm production and loss of business income as a result of last year’s drought.

Most rural Nebraskans rate indoor use in existing homes and agricultural uses (irrigation and livestock) as high priority uses of water. Uses of water that were not ranked very high include swimming pools for individual homes, watering golf courses and transferring water to other …


Measurement Of The Effect Of Policy Changes On Volatility In Dairy Markets1, Eoin Kelly, Declan O'Connor, Michael Keane Jan 2013

Measurement Of The Effect Of Policy Changes On Volatility In Dairy Markets1, Eoin Kelly, Declan O'Connor, Michael Keane

Irish Business Journal

Volatility in dairy commodity markets has become a major concern for many in the dairy supply chain and is likely to remain so in the future. Changes to the Common Agricultural Policy (CAP) over the past decade have more closely aligned EU and World prices and their associated volatilities. The aim of this paper is to measure volatility at farm level in Ireland over time, identify possible reasons for the increased volatility and identify ways of reducing volatility. Statistical measures such as coefficient of variation (CV) and annualised standard deviation are used to provide measures of past volatility and its …


Introduction To Risk Management: Understanding Agricultural Risks, Production, Marketing, Financial, Legal, Human, Laurence Crane, Gene Gantz, Steve Isaacs, Doug Jose, Rod Sharp Jan 2013

Introduction To Risk Management: Understanding Agricultural Risks, Production, Marketing, Financial, Legal, Human, Laurence Crane, Gene Gantz, Steve Isaacs, Doug Jose, Rod Sharp

Department of Agricultural Economics: Faculty Publications

This handbook is designed to improve the risk management skills of American farmers and ranchers. There is a broad array of established risk management tools ready to be used and new tools are always being developed. By learning about and using these tools, crop and livestock producers can build the confidence needed to deal with risk and exciting opportunities of the future.

Contents

Overview of risk management planning

Steps in risk management planning

Manging production risk

Managing marketing risk

Managing financial risk

Managaing legal rtisk

Managing human risk


Accounting For Product Substitution In The Analysis Of Food Taxes Targeting Obesity, Zhen Miao, John C. Beghin, Helen H. Jensen Jan 2013

Accounting For Product Substitution In The Analysis Of Food Taxes Targeting Obesity, Zhen Miao, John C. Beghin, Helen H. Jensen

Department of Agricultural Economics: Faculty Publications

We extend the existing literature on food taxes targeting obesity. We systematically incorporate the implicit substitution between added sugars and solid fats into a comprehensive food demand system and evaluate the effect of taxes on sugars and fats. The approach conditions how food and obesity taxes affect total calorie intake. The proposed methodology accounts for the ability of consumers to substitute leaner low-fat and low-sugar items for rich food items within the same food group. This substitution is integrated into a calibrated demand system in addition to the substitution among food groups, using recent food intake data and existing demand …


Health Care Reform: Perceptions Of Nonmetropolitan Nebraskans, 2013 Nebraska Rural Poll Results, Rebecca J. Vogt, Cheryl A. Burkhart-Kriesel, Randolph L. Cantrell, Bradley Lubben Jan 2013

Health Care Reform: Perceptions Of Nonmetropolitan Nebraskans, 2013 Nebraska Rural Poll Results, Rebecca J. Vogt, Cheryl A. Burkhart-Kriesel, Randolph L. Cantrell, Bradley Lubben

Nebraska Rural Poll

Most rural Nebraskans currently have health insurance. Only nine percent of rural Nebraskans do not have health insurance while the majority of residents have health insurance through job benefits. These responses are nearly identical to 2004 when this question was last asked.

Persons living in the North Central region, persons with lower household incomes, persons who have never married, persons with lower education levels and persons with food service or personal care occupations are the groups most likely to be uninsured.

Most rural Nebraskans expect to have health insurance next year. Only two percent of residents do not plan on …


Feasibility Study Of Solar Energy Utilized In An Agricultural Setting, Tyler J. Flavell Jan 2013

Feasibility Study Of Solar Energy Utilized In An Agricultural Setting, Tyler J. Flavell

BioResource and Agricultural Engineering

This BRAE 462 senior project entails a mock feasibility and engineering report on implementing solar power to Cal Poly’s poultry unit. The report is to see whether or not solar power would excel and save electrical costs for one of Cal Poly’s agricultural centers. The report must include research into what type of solar system to be installed, economic costs, and engineering calculations to determine whether or not the system will be feasible. The system must be realistic and able to be built onto the poultry unit with accurate space requirements and up to building codes.


Food Webs And Food Sovereignty: Research Agenda For Sustainability, Charles A. Francis, Michelle Miller, Molly Anderson, Nancy Creamer, Michelle Wander, Jacob Park, Thomas Green, Brent Mccown Jan 2013

Food Webs And Food Sovereignty: Research Agenda For Sustainability, Charles A. Francis, Michelle Miller, Molly Anderson, Nancy Creamer, Michelle Wander, Jacob Park, Thomas Green, Brent Mccown

Department of Agronomy and Horticulture: Faculty Publications

Future food production will be constrained by the scarcity of fossil fuel and fresh water as well as increasing intensity and unpredictability of weather events and climate changes. The assurance of food security and equity for many consumers is complicated by concentration of ownership of land and other production resources, as well as a global corporate food systems model that is driven by profit at the expense of people and the environment. To assess potential alternatives to the contemporary global food chain, well focused research is needed on local food production and food webs where small- and midscale family farms …


The Political Economy Of Contract Farming In China's Agrarian Transition, Qian Forrest Zhang Oct 2012

The Political Economy Of Contract Farming In China's Agrarian Transition, Qian Forrest Zhang

Research Collection School of Social Sciences

How does rural China’s political economy determine the motivations and constraints that drive small farmers and agribusiness companies into contract farming and shape its practice and impact? This paper identifies three distinctive features of contract farming in China—varied impact on rural inequality, unstable contractual relations, and lack of competitiveness with other alternatives—and proposes tentative explanations with three features in rural China’s political economy: strong collective institutions, active state support for agriculture, and strong domestic markets. The recent turn in China’s agrarian transition toward vertical integration of agriculture with industries is, however, undermining these conditions and may move China toward more …


Evaluating Ceres Fair Food As An Urban Sustainable Food Initiative: A Comparison Of Retail Pricing, Wholesale Pricing And Food Miles For A Healthy Food Basket, Stella Chung Apr 2012

Evaluating Ceres Fair Food As An Urban Sustainable Food Initiative: A Comparison Of Retail Pricing, Wholesale Pricing And Food Miles For A Healthy Food Basket, Stella Chung

Independent Study Project (ISP) Collection

CERES Fair Food, an organic food delivery system in Melbourne, VIC was evaluated in terms of its transportation resource consumption, ability to enhance food security, and support of local organic farmers, which are key factors in sustainable food systems for urban areas.

Transportation resource consumption was analyzed by calculating the food miles for a selection of Fair Food’s products and comparing them to data on typical products consumed in Victoria. Most of Fair Food’s products had similar or lower food miles, particularly the fresh produce. But many assumptions had to be made in the calculations due to limited information. Food …


Natural Resources In Nonmetropolitan Nebraska: Use And Priorities: 2012 Nebraska Rural Poll Results, Rebecca J. Vogt, Cheryl A. Burkhart-Kriesel, Randolph L. Cantrell, Bradley Lubben Jan 2012

Natural Resources In Nonmetropolitan Nebraska: Use And Priorities: 2012 Nebraska Rural Poll Results, Rebecca J. Vogt, Cheryl A. Burkhart-Kriesel, Randolph L. Cantrell, Bradley Lubben

Nebraska Rural Poll

Many rural Nebraskans say they already recycle a lot and face no barriers. However, many rural Nebraskans cite lack of programs and difficulty getting materials to drop-off sites as barriers to recycling. Persons living in or near smaller communities are more likely than persons living in or near larger communities to say their community doesn’t offer recycling. However, most rural Nebraskans say their community offers either curbside pickup or drop-off recycling for all of the materials listed with the exception of glass bottles.

Most rural Nebraskans are in favor of building the Keystone XL pipeline, but think it should be …


Quality Of Life In Nonmetropolitan Nebraska: Perceptions Of Well-Being And Church Life: 2012 Nebraska Rural Poll Results, Rebecca J. Vogt, Cheryl A. Burkhart-Kriesel, Randolph L. Cantrell, Bradley Lubben, Philip Schwadel Jan 2012

Quality Of Life In Nonmetropolitan Nebraska: Perceptions Of Well-Being And Church Life: 2012 Nebraska Rural Poll Results, Rebecca J. Vogt, Cheryl A. Burkhart-Kriesel, Randolph L. Cantrell, Bradley Lubben, Philip Schwadel

Nebraska Rural Poll

Most rural Nebraskans are positive about their current situation. And, they continue to be generally positive about their future situation. Over one-half (51%) of rural Nebraskans think they are better off than they were five years ago and just under one-half (45%) think they will be better off ten years from now. Certain groups remain pessimistic about their situation. Persons with lower household incomes, older persons, and persons with lower educational levels are the groups most likely to be pessimistic about the present and the future.

When asked if they believe people are powerless to control their own lives, most …


Small-Scale Aid Donors, Agribusiness, And The Zambian Export Sector, John R. Ledgerwood, Stephen N. Morgan Jan 2012

Small-Scale Aid Donors, Agribusiness, And The Zambian Export Sector, John R. Ledgerwood, Stephen N. Morgan

Publications

Production of high value agriculture and natural products has become a key instrument in economic development programs to accomplish the dual objectives of raising rural incomes and conserving valuable environmental resources. Rapid growth in global demand for organic and natural products has provided a strong economic incentive for small scale aid agencies to expand into this niche market. Through this analysis we investigate the economic impact that aid funded agricultural production has had on rural residents of Zambia and how this development strategy allows small scale aid donors to capitalize on the business and export opportunities in the Central African …


National Contexts Matter: The Co-Evolution Of Sustainability Standards In Global Value Chains, Stephan Manning, Frank Boons, Oliver Von Hagen, Juliane Reinecke Jan 2012

National Contexts Matter: The Co-Evolution Of Sustainability Standards In Global Value Chains, Stephan Manning, Frank Boons, Oliver Von Hagen, Juliane Reinecke

Management and Marketing Faculty Publication Series

In this paper, we investigate the role of key industry and other stakeholders and their embeddedness in particular national contexts in driving the proliferation and co-evolution of sustainability standards, based on the case of the global coffee industry. We find that institutional conditions and market opportunity structures in consuming countries have been important sources of standards variation, for example in the cases of Fairtrade, UTZ Certified and the Common Code for the Coffee Community (4C). In turn, supplier structures in producing countries as well as their linkages with traders and buyers targeting particular consuming countries have been key mechanisms of …


The Economic Returns To U.S. Public Agricultural Research, Julian M. Alston, Matthew A. Anderson, Jennifer S. James, Phillip G. Pardey Oct 2011

The Economic Returns To U.S. Public Agricultural Research, Julian M. Alston, Matthew A. Anderson, Jennifer S. James, Phillip G. Pardey

Agribusiness

We use newly constructed state-specific data to explore the implications of common modeling choices for measures of research returns. Our results indicate that state-to-state spillover effects are important, that the research and development lag is longer than many studies have allowed, and that misspecification can give rise to significant biases. Across states, the average of the own-state benefit-cost ratios is 21:1, or 32:1 when the spillover benefits to other states are included. These ratios correspond to real internal rates of return of 9 or 10 per annum, much smaller than those typically reported in the literature, partly because we have …


Executive Summary, Cumberland County Foodshed Assessment, Report 1, Barbara Ives Sep 2011

Executive Summary, Cumberland County Foodshed Assessment, Report 1, Barbara Ives

Local Food Systems

Like everyone else in these troubled economic times, Mainers are looking for ways to create jobs that will remain relevant and vital in a global economy, that cannot be outsourced, and that will regenerate rather than exploit our natural resources.

A growing number of people believe that a food system rooted in local farms, fisheries, and food production and distribution enterprises can strengthen Maine’s economy and its communities’ health, thereby increasing revenue and decreasing an expense that is crippling government agencies and individuals alike – healthcare. Business people who want to make a living related to food, and public and …


Using System Dynamics Modelling Approach To Develop Management Tools For Animal Production With Emphasis On Small Ruminants, L. O. Tedeschi, C. F. Nicholson, E. Rich Jun 2011

Using System Dynamics Modelling Approach To Develop Management Tools For Animal Production With Emphasis On Small Ruminants, L. O. Tedeschi, C. F. Nicholson, E. Rich

Agribusiness

Small ruminants are important assets in several regions of the world. They account for more than half of the domesticated ruminants. Despite the growth in goat production in the world (more than 2% per year), research related to goat production is less than desired. One underused but potentially valuable approach for research on small ruminants is simulation modelling. Models of the components of small ruminant systems can enhance the financial returns and reduce negative environmental impacts. These models can be used to assess many dimensions of small ruminant production, from rumen dynamics to economic policies designed to support small ruminant …


Planting Seeds For An Improved Agrifood System? Linking The Aims Of The Alternative Agrifood Movement To Executive Action In The First Two Years Of The Obama Administration, K. Glowa, Sarah Carvill, Costanza Rampini May 2011

Planting Seeds For An Improved Agrifood System? Linking The Aims Of The Alternative Agrifood Movement To Executive Action In The First Two Years Of The Obama Administration, K. Glowa, Sarah Carvill, Costanza Rampini

Faculty Publications, Environmental Studies

This paper uses several case studies to look at the dialogic relationship between the Obama administration and the alternative agrifood movement. We evaluate the case studies based on criteria developed from the agroecology literature and literature on food security, agrarianism, and the alternative agrifood movement as a whole. Additionally we compare the policy tools utilized and the funding levels of each of the cases. Our findings suggest that the Obama administration is committed to tackling issues of food security and promoting the well-being of small- and mid-scale farmers and their local agrifood economies. Deconsolidation of large agribusiness, equitable trade, and …


Empirical Methods-A Review: With An Introduction To Data Mining And Machine Learning, Matt Bogard May 2011

Empirical Methods-A Review: With An Introduction To Data Mining And Machine Learning, Matt Bogard

Economics Faculty Publications

This presentation was part of a staff workshop focused on empirical methods and applied research. This includes a basic overview of regression with matrix algebra, maximum likelihood, inference, and model assumptions. Distinctions are made between paradigms related to classical statistical methods and algorithmic approaches. The presentation concludes with a brief discussion of generalization error, data partitioning, decision trees, and neural networks.


Replacement Alternatives For Beef Cow Herds: An Analysis Of Retaining Non-Pregnant Cows, Trenton T. Bohling May 2011

Replacement Alternatives For Beef Cow Herds: An Analysis Of Retaining Non-Pregnant Cows, Trenton T. Bohling

Department of Agricultural Economics: Dissertations, Theses, and Student Research

A non-pregnant cow is a liability to a producer. Over the last four years, cow-calf producers have had an increased number of non-pregnant cows due to factors like environmental conditions and diseases like trichomoniasis. While most research has indicated that culling a non-pregnant female and replacing the cow with retained heifers, purchased heifers, or purchased cows are the only economic alternatives, recent trends in the cattle market have suggested that keeping a non-pregnant cow may also be an alternative.

Annual beef cow budgets were created based on typical Nebraska Sandhills conditions. Revenues and costs in these budgets vary according to …


Yak, A Green Icon And A Good Investment, Caroline Kang Apr 2011

Yak, A Green Icon And A Good Investment, Caroline Kang

Independent Study Project (ISP) Collection

“Yak, A Green Icon and Good Investment” was conceived after I briefly interned for the Mongol Yak Society during the NGO Drop Off. I became interested and even, invested in their mission. For three weeks of the ISP period, I worked closely with the Mongolian Yak Society based in Ulaanbaatar and researched how increasing the productive value of yaks through improved communications, equipment, knowledge, and support will address several key environmental and economic issues. I further focused on the Mongolian Yak Society and its role as a detached entity that intervenes on various levels of the yak wool value chain: …


The Costs Of Increased Localization For A Multiple-Product Food Supply Chain: Dairy In The United States, Charles F. Nicholson, Miguel I. Gomez, Oliver H. Gao Apr 2011

The Costs Of Increased Localization For A Multiple-Product Food Supply Chain: Dairy In The United States, Charles F. Nicholson, Miguel I. Gomez, Oliver H. Gao

Agribusiness

There is increased interest in greater localization of food supply chains but little evidence about the effects of localization on supply-chain costs. Assessing these effects is complex in multiple-product, multi-process supply chains such as the dairy industry. In this study, we develop a spatially-disaggregated transshipment model for the US dairy sector that minimizes total supply-chain costs, including assembly, processing, interplant transportation and final product distribution. We employ the cost-minimizing solution as benchmark to compare alternative scenarios of increased supply chain localization. Our results indicate: (1) short-run limits to increased localization, (2) modest impacts on overall supply-chain costs, and (3) large …


Validating The Culture Of Agriculture: Farmers Groups And Organic Agriculture Mitigating Rural To Urban Migration In Bhutan, Emma Dosch Apr 2011

Validating The Culture Of Agriculture: Farmers Groups And Organic Agriculture Mitigating Rural To Urban Migration In Bhutan, Emma Dosch

Independent Study Project (ISP) Collection

Agricultural occupations make up the largest proportion of Bhutan’s workforce. Over the past two decades the occupation has shrunk from 90% to 65% of Bhutan’s employment. The younger generation of Bhutan’s rural population is seeking livelihood opportunities in urban areas, leaving farms with labor shortages. The movement may compromise the identity and sustainability of Bhutan’s rural population and undermine the nation’s goals of Gross National Happiness (GNH) directed policy. Initiatives to retain and legitimize agricultural livelihoods are emerging inside and outside of government policy. Existing efforts are models of ways to reconnect educated individuals with the needs and values of …


Factors That Influence Prices For Cool-Climate Wines: A Hedonic Analysis Of The Market For Riesling, Christiane Schroeter, Jennifer L. Ritchie, Bradley J. Rickard Apr 2011

Factors That Influence Prices For Cool-Climate Wines: A Hedonic Analysis Of The Market For Riesling, Christiane Schroeter, Jennifer L. Ritchie, Bradley J. Rickard

Agribusiness

The price of wine represents various characteristics that differentiate each bottle, assuming that the majority of consumers use price as a signal of quality. The objective of this study is to analyze the drivers of Riesling prices, since this varietal continues to gain popularity and can be grown in all climates, including cool-climate regions. We expand the use of quality ratings by including interaction terms to express wine-quality and price-quality relationships. The results suggest that higher price premiums are associated with wines that earned high expert rating scores, and this emphasizes the importance of market-perceived quality signals.


When Do Fat Taxes Increase Consumer Welfare?, Jayson L. Lusk, Christiane Schroeter Jan 2011

When Do Fat Taxes Increase Consumer Welfare?, Jayson L. Lusk, Christiane Schroeter

Agribusiness

Previous analyses of fat taxes have generally worked within an empirical framework in which it is difficult to determine whether consumers benefit from the policy. This note outlines on simple means to determine whether consumers benefit from a fat tax by comparing the ratio of expenditures on the taxed good to the weight effect of the tax against the individual’s willingness to pay for a one-pound weight reduction. Our empirical calculations suggest that an individual would have to be willing to pay about $1500 to reduce weight by one pound for a tax on sugary beverages to be welfare enhancing. …


Animal Welfare: Perceptions Of Nonmetropolitan Nebraskans: 2011 Nebraska Rural Poll Results, Rebecca J. Vogt, Randolph L. Cantrell, Bradley Lubben, Connie Reimers-Hild Jan 2011

Animal Welfare: Perceptions Of Nonmetropolitan Nebraskans: 2011 Nebraska Rural Poll Results, Rebecca J. Vogt, Randolph L. Cantrell, Bradley Lubben, Connie Reimers-Hild

Nebraska Rural Poll

Almost all rural Nebraskans recognize the importance of livestock and poultry production to the state’s economy and most rural Nebraskans are familiar with livestock care practices. In fact, many rural Nebraskans have experience raising beef cattle, poultry and swine. They have less experience with dairy production.

Most rural Nebraskans believe animal welfare means providing adequate exercise, space and social activities for the animals in addition to food, water and shelter. However, the vast majority of rural Nebraskans agree that animal welfare means at least providing adequate food, water and shelter to livestock animals.

Most rural Nebraskans trust livestock farmers and …


Quality Of Life In Nonmetropolitan Nebraska: 2011 Nebraska Rural Poll Results, Rebecca J. Vogt, Randolph L. Cantrell, Bradley D. Lubben, Connie Reimers-Hild Jan 2011

Quality Of Life In Nonmetropolitan Nebraska: 2011 Nebraska Rural Poll Results, Rebecca J. Vogt, Randolph L. Cantrell, Bradley D. Lubben, Connie Reimers-Hild

Nebraska Rural Poll

Most rural Nebraskans are positive about their current situation. And, they continue to be generally positive about their future situation. Over one-half (52%) of rural Nebraskans think they are better off than they were five years ago and just under one-half (45%) think they will be better off ten years from now.

Certain groups remain pessimistic about their situation. Persons with lower household incomes, older persons, persons with lower educational levels and persons who are divorced or separated are the groups most likely to be pessimistic about the present and the future.

When asked if they believe people are powerless …


Development And Evaluation Of An Integrated Simulation Model For Assessing Smallholder Crop-Livestock Production In Yucatán, Mexico, David Parsons, Charles F. Nicholson, Robert W. Blake, Quirine M. Ketterings, Luis Ramírez-Aviles, Danny G. Fox, Luis O. Tedeschi, Jerome H. Cherney Jan 2011

Development And Evaluation Of An Integrated Simulation Model For Assessing Smallholder Crop-Livestock Production In Yucatán, Mexico, David Parsons, Charles F. Nicholson, Robert W. Blake, Quirine M. Ketterings, Luis Ramírez-Aviles, Danny G. Fox, Luis O. Tedeschi, Jerome H. Cherney

Agribusiness

Mixed farming systems constitute a large proportion of agricultural production in the tropics, and provide multiple benefits for the world’s poor. However, our understanding of the functioning of these systems is limited. Modeling offers the best approach to quantify outcomes from many interacting causal variables in these systems. The objective of this study was to develop an integrated crop–livestock model to assess biophysical and economic consequences of farming practices exhibited in sheep systems of Yucatán state, Mexico. A Vensim™ dynamic stock-flow feedback model was developed to integrate scientific and practical knowledge of management, flock dynamics, sheep production, partitioning of nutrients, …