Agricultural and Resource Economics Commons^™

Nebraska And The Midwest Agtech Ecosystem: Benchmarking Innovation Investment And Translation Gaps, Ankit Chandra, Ishani Lal, Brennan Costello

Department of Agricultural and Biological Systems Engineering: Presentations and White Papers

Agricultural innovation is central to the sustainable transformation of food systems, yet the capital that finances it is unevenly distributed relative to where food is produced. This paper develops a diagnostic framework for measuring this mismatch and applies it across the U.S. Midwest from 2021 to 2025, with particular emphasis on Nebraska's structural position within this landscape. Drawing on venture capital deal-flow data, 17 stakeholder interviews, and a novel strength-weakness-opportunity-gap (SWOG) ecosystem mapping methodology, we document $736 million in tracked Midwest AgTech funding across eight states (Nebraska, Iowa, Missouri, Illinois, Indiana, Kansas, North Dakota, and South Dakota). We introduce three …

Economic Contribution Of 2024/2025 Averaged Nonresident Travel Spending In Montana Travel Regions And Counties, Kara Grau

Institute for Tourism and Recreation Research Publications

Money spent by travelers in Montana has a direct effect on businesses where it is spent, and it ripples throughout the state’s economy from there. Statewide, spending by nonresident visitors (averaged over two years - 2024 and 2025) totaled $5.36 billion. This report details the methods and results of the economic impact analyses for each of Montana’s six travel regions, as well as analyses for counties in which nonresident travelers spent approximately $50 million or more.

Upper Mora River Corridor Plan. Path To Social And Economic Recovery. A Working Paper, José A. Rivera Ph.D

Faculty Publications

The Working Paper outlines a plan for the Upper Mora River Corridor as a path to the social and economic recovery of the watershed and its communities in the Mora Valley of New Mexico in the aftermath of the year 2022 wildfires. The first section of the plan includes an historical overview of the traditional gristmills of northern New Mexico and places where a few of them are preserved and still standing. The next section goes into detail as to the early commercial mills situated along the upper Mora River Corridor with a focus on the four remaining mills: the …

Advocacy For Inclusive Play In South Dallas: Expanding Access For Children In Underserved Areas, Aryanna Fellows, Mary Jan Greer

Summer 2026 OTD Capstone Symposium

This capstone project aimed to advocate for more inclusive and accessible playgrounds for children of all abilities in underserved communities in South Dallas. Guided by the Person-Environment-Occupation-Performance (PEOP) Model, the project evaluated playground accessibility and identified environmental barriers that limit participation for children with disabilities. Methods included a community needs assessment, playground observations using a standardized accessibility assessment tool, surveys, and stakeholder collaboration. Participants included community members, caregivers, organizational stakeholders, and children who utilize local playgrounds. Findings were synthesized to develop evidence-based recommendations and educational resources to support future playground improvements. The expected outcomes included increased awareness of inclusive playground …

Economic Performance And Technical Efficiency Of “Small-Scale” Vegetable Production In Ido Local Government Area Of Oyo State, Nigeria, Taiye Oluwasola Babatunde, Oluyemisi Omowunmi Babatunde

Journal of Bioresource Management

A study was carried out to examine the economic performance of small-scale vegetable farmers and how effectively they are using their resources in Ido Local Government Area of Oyo State. The study involved eighty vegetable farmers who were chosen randomly, and information was gathered from them using structured questionnaires. Different tools such as budget analysis, linear regression, frequency distribution, percentages, and the stochastic frontier production function were used to examine the data that was collected. The results indicated that about 41.3 % of the farmers were between the ages of 41 and 50. Most of the people who answered were …

Performance Of A Fertilizer Sludge Contaminated With Heavy Metals Collected From Two Wastewater Treatment Plants On (Lactuca Sativa), Leila Lila Belkhedim, Yamina Tahri

Makara Journal of Science

The improper management of sewage sludge poses a significant global risk to environmental and public health. In this study, the valorization of sludge as an organic fertilizer for lettuce cultivation was evaluated, offering a sustainable waste-to-resource solution. Sludge from two wastewater treatment plants (Mazouna and El Kerma) were collected between 2019 and 2021. Comprehensive physicochemical analysis was conducted to determine its nutrient value and contaminant levels. In addition, the efficacy and safety of the fertilizer were assessed by measuring lettuce growth and the bioaccumulation of heavy metals in plant tissues. The analyzed sludge, with an organic matter content of 9.91%–83% …

Beyond Emergency: Charting Pathways To Sustainable Development In Fragile And Conflict-Affected Settings: A Case Study Of Yemen, Sharif Abdurabu Salem Farid Alsahbool

Theses and Dissertations

For nearly a decade, Yemen's eastern governorates of Hadramawt, Shabwah, and Al‑Mahrah have been relatively stable, yet the international aid system has kept delivering short‑term humanitarian relief like food baskets and water trucking instead of shifting to sustainable development that could rebuild people's lives, create jobs, fix infrastructure, and strengthen local government. This thesis investigates why this transition has taken so long. Based on 21 interviews with government officials, international NGO staff, and local NGO managers in these three governorates, the study develops a new way of understanding the problem. It introduces three ideas: the 'emergency mentality', which is a …

[2026 Winner] Seed Sovereignty Through The Lens Of Decolonization, Lily A. Marx

Ethnic Studies Research Paper Award

This paper explores the movement of seed sovereignty, a contemporary movement stemming from the history of theft, appropriation, and forced assimilation endured by indigenous peoples. This movement recognizes that consumers alone cannot mend the damage being done to our food systems, but instead encourages communities to take political action by saving seeds and rebuilding connections with the land.

The Montana Travel Industry - 2025 Summary, Melissa Weddell

Institute for Tourism and Recreation Research Publications

In 2025, Montana welcomed 13.2 million visitors — a 4% decline from 2024 — who collectively spent $5.6 billion across the state. Tourism supported 52,610 jobs (1 in 11 statewide), generated $360 million in state and local taxes, and saved the average Montana household over $740 in taxes. Glacier Country led regional spending at $1.79 billion, followed by Yellowstone Country at $1.34 billion. The typical visitor was 57.8 years old, traveled in a group of 2.2, stayed 5.2 nights, and arrived primarily by car (74%). Top origin states were Washington, Idaho, and North Dakota. Visitors were drawn most by mountains …

2025 Estimates - Nonresident Visitation, Expenditures, And Economic Contribution, Kara Grau

Institute for Tourism and Recreation Research Publications

Montana welcomed an estimated 13.24 million nonresident visitors in 2025, generating $5.64 billion in traveler expenditures and contributing an estimated $7.11 billion in total economic output to the state's economy. Nonresident spending supported approximately 52,620 jobs and generated $360.4 million in state and local tax revenues. Fuel (21%) and restaurant/bar spending (20%) accounted for the largest shares of visitor expenditures, followed by lodging, outfitter/guide services, and groceries. Summer travel remained the dominant season, with the third quarter accounting for 45% of annual visitation and 54% of total expenditures. Vacation travelers represented the largest visitor segment (41%) and had the highest …

Canyon Ferry Reservoir: A Regional Recreation System In Montana, Kika Bradford, Melissa Weddell

Institute for Tourism and Recreation Research Publications

This study examines recreation use, visitor behavior, and infrastructure demands at Canyon Ferry Reservoir, Montana, using a combination of visitor surveys, automated counts, and systematic observations conducted between February and October of 2025. Results indicate that Canyon Ferry functions primarily as a high-frequency, locally driven recreation system characterized by repeat visitation, small travel groups, and short-duration trips. Use is highly concentrated at a limited number of sites and during predictable peak periods, creating localized infrastructure pressures despite relatively stable overall visitation levels. Findings show that parking areas and campgrounds experience more consistent capacity constraints than boat ramps, and that perceptions …

Montana Resident Report: Rural Montana And Tribal Communities And Activities, Q1 2026, Carter Bermingham, Megan Schultz

Institute for Tourism and Recreation Research Publications

This study was designed to better understand residents’ perceptions of smaller, rural towns in Montana, along with their level of interest in visiting and participating in activities in American Indian communities across the state. The Institute for Tourism and Recreation Research (ITRR) conducts resident studies on a quarterly basis to better understand current topics throughout the state, with resident travel routinely serving as one of those topics. Recent efforts at the state level have focused on expanding Montana’s tribal tourism industry to provide economic benefits and to inspire visitation to Indian Country.

Respondents were asked to comment on how much …

Can Generative Ai Make Farming Decisions? Current Status And Future Pathways: A Case Study In Row Crop Production With Chatgpt, Nipuna Chamara, Yufeng Ge, Joe Luck, Yu Pan, Saleh Taghvaeian, Cory Walters, Christopher Proctor, Daran Rudnick, Daren Redfearn

Department of Agricultural and Biological Systems Engineering: Faculty Publications

The agricultural decision-making process is experience-based, knowledge-dependent, time-sensitive, complex, and driven by historical data. Planting, fertilization, irrigation, and chemigation are key categories in farm decision-making, and currently there is no one-shot decision-support tool that covers all these activities. Generative Artificial Intelligence (AI) models are more advanced than traditional machine learning and deep learning models. These models have been trained on vast amounts of data from the internet, allowing them to accept unstructured data in various forms and generate human-like text, solutions to problems, and scenario predictions. Given this capability, we became interested in exploring the potential of generative AI in …

Long-Term Mine Planning: A Survey Of Classical, Hybrid And Artificial Intelligence-Based Methods, Nurul Asyikeen Azhar, Aldy Gunawan, Shih-Fen Cheng, Erwin Leonardi

Research Collection School Of Computing and Information Systems

The aim of long-term mine planning (LTMP) is two-fold: to maximize the net present value of profits (NPV) and determine how ores are sequentially processed over the lifetime. This scheduling task is computationally complex as it is rife with variables, constraints, periods, uncertainties, and unique operations. In this paper, we present trends in the literature in the recent decade. One trend is the shift from deterministic toward stochastic problems as they reflect real-world complexities. A complexity of growing concern is also in sustainable mine planning. Another trend is the shift from traditional operational research solutions — relying on exact or …

Crop Yield Shocks And Conflict In Sub-Saharan Africa: Subnational Evidence From Satellite-Based Yield Predictions, Benson I. Adomako

Master's Theses

This paper examines whether crop yields affect violent conflict at the subnational level across seven Sub-Saharan African countries: Burkina Faso, Ethiopia, Mali, Malawi, Niger, Nigeria, and Tanzania, over the period 2010 to 2024. A central identification challenge is that observed yields are endogenous to conflict: armed violence disrupts planting, cultivation, and harvest. To address this, I train a machine learning model on observed maize yield and satellite and environmental features to generate predicted yields for 1,338 second-level administrative districts annually. These predictions serve as the key regressor in a two-way fixed-effects panel with district and year fixed effects. I find …

Spatial Analysis Of Maize Yields And Household Dietary Diversity In Sub-Saharan Africa: Causal Evidence From A Machine Learning Instrument, Addi Joof

Master's Theses

MAIZE YIELDS AND HOUSEHOLD DIETARY DIVERSITY IN SUB-SAHARAN AFRICA: EVIDENCE ON THE CAUSAL EFFECT FROM A MACHINE LEARNING INSTRUMENT

Addi Joof, University of San Francisco, May 2026

This paper provides estimates of the effect of maize yield on household dietary diversity across seven Sub-Saharan African countries, using data from 36,474 maize-growing households in the Living Standards Measurement Study Integrated Surveys on Agriculture (LSMS-ISA) panels for the period 2008--2021. OLS estimates which include district and country-by-wave fixed effects yield a positive and significant coefficient of 0.070 (SE = 0.006, p < 0.001), implying that a 10 percent increase in maize yield raises the Household Dietary Diversity Score (HDDS) by approximately 0.007 food groups. Because self-reported yields are subject to classical measurement error and unobserved household characteristics confound the OLS estimate, we construct an instrumental variable using a Random Forest model trained on satellite-derived agro-environmental features including the Enhanced Vegetation Index, Normalized Difference Vegetation Index, Growing Degree Days, precipitation, and soil moisture obtained from Google Earth Engine at the GPS-coordinate-by-year level. Our preferred 2SLS specification, which adds region fixed effects to absorb persistent sub-national geographic variation, returns a positive point estimate of 0.217 (SE = 0.206; 95% CI: -0.19 to +0.63, p = 0.294) larger than OLS and consistent with downward attenuation bias, but imprecisely estimated and statistically indistinguishable from zero at conventional levels. We interpret the OLS estimate of 0.070 as a credible lower bound on the true effect, with the IV evidence pointing to a moderately larger but uncertain magnitude. Heterogeneity analysis reveals a declining gradient across consumption quintiles the effect is strongest among the poorest households (Q1: 0.055, p < 0.01) and diminishes with wealth (Q5: 0.015, not significant) while showing no gradient across market-integration levels. These patterns are consistent with own-consumption, rather than market income from surplus sales, as the primary pathway from yield to dietary diversity. OLS estimates are positive and significant in five of six estimable countries. The findings suggest that maize yield improvements can serve as a nutrition co-investment, particularly for subsistence-oriented smallholders, though the available data do not permit a sharp causal quantification of the effect size.

Keywords: dietary diversity, maize yields, instrumental variables, Sub-Saharan Africa, LSMS-ISA, satellite …

Productive Armature, Gabriel Ofem Peter

Masters Theses

What if water was all you had, what if your only source of survival was a body of water? I shudder to think that some people get to be put in this situation in the world we live in. As I understand the importance of water to survival, it is obvious that water can be the only lifeline of survival for a community. This is the experience for residents of Makoko, Lagos. Their survival depends on the Lagos Lagoon, a large body of water flowing in from the Atlantic Ocean. This research looks beyond the surface of what this community …

Fueling Reactions: Three Empirical Essays On Behavioral Responses, Economic Shocks, And Energy Markets, Euclides Coelho De Medeiros Correia

Economics Theses and Dissertations

This dissertation examines how shocks in energy and commodity markets propagate through local economies and reshape human behavior, spanning three empirical essays that connect energy markets to electoral behavior, commodity price dynamics, and criminal violence.

Agricultural Water Management, Farmer Decision-Making And Climate Adaptation In Dryland Agriculture: A Case Of The Middle Rio Grande Basin, Oluwatosin A. Olofinsao

Economics ETDs

Agriculture in dryland regions faces mounting pressure from climate change, water scarcity, and shifting land-use demands. The Middle Rio Grande Basin (MRGB) of central New Mexico exemplifies these challenges, where irrigated agriculture relies on increasingly variable surface water supplies. This dissertation examines agricultural water use, farmer decision-making, and adaptation strategies across farm types and climate conditions in the MRGB. The first study presents a spatial descriptive analysis of farm size, crop patterns, groundwater access, evapotranspiration (ET), and effective ET, revealing a landscape numerically dominated by smallholder farms that account for a substantial share of irrigation water use. The second study …

Assessing Legacy Collections: Analyzing The Preservation, Recovery, And Interpretive Value Of Archaeobotanical Remains From Site 15le70 (Pine Crest Rockshelter), Lee County, Kentucky, Jennifer Carroll

Graduate Final Projects

This paper uses the archaeobotanical assemblage from Site 15Le70, a multi-excavated and extensively looted rockshelter in eastern Kentucky, while opening new lines of inquiry into gendered labor and practice during the Archaic-Woodland transition. Because legacy collections are often dispersed across institutions and/or research projects, the materials from any single site may be fragmented, as was the case for 15Le70. Such collections can be overlooked, yet this investigation into 15Le70’s archaeobotanical assemblage demonstrates that partial or scattered datasets can yield meaningful results and hold the potential to fill gaps in the archaeological record left by looting.

In this study, a small …