Agricultural and Resource Economics Commons^™

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, …

Application Of A Simulation Model For Assessing Integration Of Smallholder Shifting Cultivation And Sheep Production In Yucatán, Mexico, David Parsons, Charles Nicholson, Robert W. Blake, Quirine M. Ketterings, Luis Ramírez-Aviles, Jerome H. Cherney, Danny G. Fox

Agribusiness

Simulation models are effective tools to examine interactions between livestock, cropping systems, households, and natural resources. Our study objective was to use an integrated livestock and crop model to assess the outcomes from selected suites of management decisions observed in smallholder sheep-cropping systems of Yucatán, Mexico. The scenarios contrasted specialized systems versus mixed farming, and evaluated the outcomes of increased crop-livestock integration. Mixed enterprise scenarios involving sheep provided more income than specialized enterprises, and capitalized on a lower price of on-farm maize grain, efficient utilization of surplus labor, and availability of common land. Labor and management income was greatest for …

An Hsi Report: The Impact Of Industrial Farm Animal Production On Food Security In The Developing World, Humane Society International

HSI REPORTS

Food security is often incorrectly used as a justification for the inhumane confinement of animals on industrial farm animal production facilities, while in reality, the industrialization of animal agriculture jeopardizes food security by degrading the environment, threatening human health, and diminishing income-earning opportunities in rural areas. Support from governments and international agencies for more humane and sustainable agricultural systems can ensure adequate food consumption and nutrition throughout the developing world.

Community Life In Nonmetropolitan Nebraska: Current Perceptions And Future Strategies: 2011 Nebraska Rural Poll Results, Rebecca J. Vogt, Randolph L. Cantrell, Bradley D. Lubben, Connie Reimers-Hild

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 and to have positive sentiments about their community. However, residents of larger communities are more likely than residents of …

Foreign Direct Investment, Non-Traded Goods And Real Wages, Reza Oladi, John Gilbert, H. Beladi

Applied Economics Faculty Publications

Using a three‐sector general equilibrium model with non‐traded goods, we investigate the impact of foreign direct investment on the real wages of skilled and unskilled workers. We show that foreign direct investment increases the real wages of skilled and unskilled workers alike, but widens the gap between the two under plausible conditions.

The Digital Age: Nonmetropolitan Nebraskans’ Use Of Technology: 2011 Nebraska Rural Poll Results, Rebecca J. Vogt, Randolph L. Cantrell, Bradley D. Lubben, Connie Reimers-Hild

Nebraska Rural Poll

Most rural Nebraskans use the Internet or email from home. The groups most likely to use the Internet or email from home include: persons living in or near larger communities, residents of the Panhandle region, persons with higher household incomes, younger persons, females, married persons, persons with higher education levels and persons with management, professional or education occupations. The Internet applications used by the majority of rural Nebraskans include: research, looking for health information, purchasing a product, watching a video and social networking.

Most rural Nebraskans have positive opinions about shopping online: that the Internet is the best place to …

Car Ownership Modeling And Forecasts For China, Xiayi Huang

Dissertations, Master's Theses and Master's Reports - Open

A great increase of private car ownership took place in China from 1980 to 2009 with the development of the economy. To explain the relationship between car ownership and economic and social changes, an ordinary least squares linear regression model is developed using car ownership per capita as the dependent variable with GDP, savings deposits and highway mileages per capita as the independent variables. The model is tested and corrected for econometric problems such as spurious correlation and cointegration. Finally, the regression model is used to project oil consumption by the Chinese transportation sector through 2015. The result shows that …

Factors Affecting Feeder Cattle Prices In The Southeast, Kenneth H. Burdine

Theses and Dissertations--Agricultural Economics

Traditional factors known to affect feeder cattle prices, such as corn prices, have been questioned recently given the volatile nature of agricultural markets and some recent research findings. This work utilizes two very current and unique datasets to examine feeder cattle pricing relationships from Kentucky internet auctions and Certified Preconditioned for Health (CPH) sales. In addition to examining traditional pricing factors, factors that affect feeder cattle basis were also examined. Basis questions are of great interest in the southeast as transportation costs to major cattle feeding areas have been impacted by rising fuel prices and increased market volatility. Finally, price …

Climate Impact On Agricultural Efficiency, Federico J. Trindade

Department of Agricultural Economics: Faculty Publications

Introduction

Method

Degree Days

Results

Conclusions

Department Of Economics Publication List 2010, Penny Stover

Economics Pamphlet Series (1985-2016)

This compilation lists published works authored by Department of Economics faculty members and other staff working on projects funded through the Department of Economics. Publications resulting from their research and academic activities are indexed by author at the end of the pamphlet for easy access by the public. The articles were published between January 1, 2010 and December 31, 2010.

Nutrient Management Record Keeping Calendar, July 2011-December 2012, Leslie J. Johnson, Charles Shapiro, Charles Wortmann, Chris G. Henry, Larry Howard, Tamilee D. Nennich

Nebraska Cooperative Extension: Faculty and Staff Publications

Records for Nebraska Concentrated Animal Feeding Operations

Record the initials of the person performing the inspection each time. Check marks will not satisfy the record-keeping requirements.

Record any maintenance and/or repairs.

Correct all deficiencies within 30 days.

Bacterial Fermentation And The Missing Terroir Factor In Historic Cookery, Ken Albala

College of the Pacific Faculty Books and Book Chapters

No abstract provided.

Update On Cuba's Agricultural Sector, Mario A. Gonzalez-Corzo

Publications and Research

No abstract provided.

Molecular And Phenotypic Comparisons Of Salt Effects On Soybean Cultivars With Differential Chloride Uptake Capacities, Sharon Faye Holifield, Fernando Ledesma Rodriguez, Richard D. Cartwright, Pengyin Chen, Kenneth Korth

Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences

Genetic manipulation of crop plants, through breeding or transgenic approaches, for enhanced tolerance to abiotic stress holds great promise for improving yields and promoting new methods for sustainable agriculture. This study examines the potential role that genes of the soybean, Glycine max L., encoding elongation factor-1 alpha (EF-1α) and glyoxalase I (GlxI) might play in response to salt stress. Previous reports have suggested a possible function for both GlxI and EF-1α in conferring enhanced salt tolerance in other plant species. In addition to other possible mechanisms, salt tolerance in soybeans can be regulated by plant uptake and transport of chloride …

Comparison Of Growing Media For Container Grown Plants, Paul Harris, David Longer, Derrick Oosterhuis, Dimitra Loka

Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences

Greenhouse and growth chamber experiments are conducted worldwide in efforts to produce solutions that would increase yields of agronomic crops. However, the results of those experiments vary due to the many growth media being used. An experiment was conducted in the fall of 2010 to identify a broadly acceptable growth media that would produce uniform stands and optimum results in greenhouse and growth chamber settings. A total of six growth media were tested on cotton (Gossypium hirsutum) at the Arkansas Agricutural Research and Extension Center’s Altheimer Lab in Fayetteville. The plants grown in each medium were harvested six weeks after …

World Production And Trade Of Pistachios: The Role Of The U.S. And Factors Affecting The Export Demand Of U.S. Pistachios, Zijuan Zheng

University of Kentucky Master's Theses

The primary purpose of this study is to evaluate the role of the US in the worldwide production and trade of pistachios, identify and estimate the major factors affecting export demand for US pistachios in 21 major markets, accounting for 78 percent of total US pistachio exports. The study estimated the impacts of US pistachio own price, cross price, importing markets’ GDP, real exchange rates and effect of food safety shocks. A panel data analysis was conducted using data from 1989 to 2009. A Houseman test indicated that the random effects estimator was the chosen estimator. Elasticity analysis indicated that …

Technological Change And Productivity Analysis In Nebraska, Dereje B. Megeressa

Department of Agricultural Economics: Faculty Publications

Productivity growth has been an important source of US economic growth throughout the century

The years since 1940 have been an even faster growth in agricultural productivity (Ball, et.al. 1998; Tokgöz, 2002).

Several factors have been identified as the most important sources of productivity change in US agriculture.

Chandler (1962) attributes over 75 percent of the growth in productivity to technological factors in the post war years.

In Nebraska, several productivity studies conducted that include (Perrin et al, 2001; ball et al, 2001; and Palestina et al(2009).

None of the studies disaggregate land into poor and good …

Innovative Education In Agroecology: Experiential Learning For A Sustainable Agriculture, C.A. Francis, N. Jordan, P. Porter, T.A. Breland, G. Lieblein, L. Salomonsson, N. Sriskandarajah, M. Wiedenhoeft, Robert Dehaan, I. Braden, V. Langer

Faculty Work Comprehensive List

The transdisciplinary field of agroecology provides a platform for experiential learning based on an expanded vision of research on sustainable farming and food systems and the application of results in creating effective learning landscapes for students. With increased recognition of limitations of fossil fuels, fresh water, and available farmland, educators are changing focus from strategies to reach maximum yields to those that feature resource use efficiency and resilience of production systems in a less benign climate. To help students deal with complexity and uncertainty and a wide range of biological and social dimensions of the food challenge, a whole-systems approach …

Afghanistan Connection : Heroin Production, Distribution, And Consumption , Brandon J. Swartz

Dissertations, Master's Theses and Master's Reports - Open

Heroin prices are a reflection of supply and demand, and similar to any other market, profits motivate participation. The intent of this research is to examine the change in Afghan opium production due to political conflict affecting Europe’s heroin market and government policies. If the Taliban remain in power, or a new Afghan government is formed, the changes will affect the heroin market in Europe to a certain degree. In the heroin market, the degree of change is dependent on many socioeconomic forces such as law enforcement, corruption, and proximity to Afghanistan. An econometric model that examines the degree of …

Public Preferences Of The Great Lakes Environment : A Lake Michigan Pilot Study, Fangming Liu

Dissertations, Master's Theses and Master's Reports - Open

The Great Lakes watershed is home to over 40 million people, and the health of the Great Lakes ecosystem is vital to the overall economic, societal, and environmental health of the U.S. and Canada. However, environmental issues related to them are sometimes overlooked. Policymakers and the public face the challenges of balancing economic benefits with the need to conserve and/or replenish regional natural resources to ensure long term prosperity. From the literature review, nine critical stressors of ecological services were delineated, which include pollution and contamination, agricultural erosion, non-native species, degraded recreational resources, loss of wetlands habitat, climate change, risk …