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Adjustable speed drive bearing fault detection via support vector machine incorporating feature selection using genetic algorithm
(University of Missouri--Columbia, 2007)
This dissertation presents a novel method to detect bearing defects in Adjustable Speed Drives (ASD's), which are increasingly used in many commercial and industrial applications. The harmonics in pulse-width-modulation ...
Temperature trends of the Late Cambrian through the Middle Ordovician : implications for Ordovician climate and biodiversification
(University of Missouri--Columbia, 2019)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] The Ordovician Period includes both the largest and longest period of sustained biodiversification--the Great Ordovician Biodiversification Event ...
Three essays of housing price dynamics
(University of Missouri--Columbia, 2009)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] This dissertation consists of three essays. The first essay estimates the joint effects of spatial diffusion and high-tech industry fluctuations on housing prices. The work...
An empirical assessment of the political and gendered consequences of economic sanctions
(University of Missouri--Columbia, 2008)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] This project investigates the unintended political and gender-specific effects of economic sanctions in target countries. Drawing insight from the existing literature...
Rural agglomeration : how does the distribution of people across rural America affect entrepreneurship?
(University of Missouri--Columbia, 2020)
agglomeration -- and test its explanatory power in a regional entrepreneurship model to determine if rural counties where population is more clustered in towns benefit from the effects of dense settlement patterns described in the urban economics literature...
Three essays on assimilation and acculturation of international instructors at U.S. research universities
(University of Missouri--Columbia, 2021)
This dissertation consists of three chapters that answer an overarching question: "How do foreign-born instructors assimilate and acculturate into U.S. academia as an immigrant-receiving environment?" Across the three ...
Essays on machine learning applications in economics : causal inference and prediction
(University of Missouri--Columbia, 2021)
not possess statistical significance. Overall, the effects tend to expand with years of experience. We also discuss possible economic mechanisms and reasons. In the third chapter, we build machine learning and simple linear models to predict academic paper...
Oil price shocks and stock market behavior : empirical evidence for the U.S. and European Countries
(University of Missouri--Columbia, 2007)
not respond to the oil price shocks. According to the literature, oil price shocks have an asymmetric effect on economic activity and the stock market in that oil price increases have a greater impact than oil price decreases. However, in this dissertation...
Income inequality within and between villages in a rural region of China
(University of Missouri--Columbia, 2007)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT AUTHOR'S REQUEST.] The economic reforms during the past eighteen years in China have increased income inequality. This study investigates the impact of policy changes on income inequality both...
Testing a model of the psychology of working theory with formerly incarcerated adults
(University of Missouri--Columbia, 2023)
hypotheses were tested within the model, which included economic constraints and marginalization as negative predictors of work volition. A direct, negative effect of perceived marginalization on decent work was also identified. Further support of the PWT...
The impact of fuel ethanol on motor gasoline market : modeling through a system of structural equations
(University of Missouri--Columbia, 2008)
This paper studies the impact of fuel ethanol on motor gasoline market, especially how the gasoline price will be affected if fuel ethanol takes a big share of motor fuel consumption. A system of structural equations is estimated over historical...
The poverty of place : a comparative study of five rural counties in the Missouri Ozark
(University of Missouri--Columbia, 1999)
to discover why, contrary to what is expected, the county at the center of this group has been notably more prosperous over time than her persistently poor neighbors. When Lyson's concept of economic distance is applied to the five county region a relationship...
Three essays on social policy
(University of Missouri--Columbia, 2023)
This dissertation consists of three essays that examine the impact of the Supplemental Nutrition Assistance Program (SNAP) work requirement on program participation using national and state-level administrative and cannabis legalization...
Three essays on crime policy and the Bayesian bootstrap
(University of Missouri--Columbia, 2021)
This dissertation consists of three chapters. In the first chapter, I analyze credible intervals for quantiles constructed using Bayesian bootstrap techniques and show that credible intervals constructed using the ...
Major life-changing events and preferred retirement time among older adults : evidence from the 1992 to 2014 health and retirement study
(University of Missouri--Columbia, 2019)
-changing events and other factors influence the time people exit the workforce. The discussion section offers recommendations for researchers as well as financial educators and practitioners working with older adults to increase awareness of life-changing events...
Two essays on food manufacturer resilience: regional factors and workforce challenges
(University of Missouri--Columbia, 2022)
Researchers and policymakers worldwide have increasingly viewed resilient food systems as important. In the wake of the COVID-19 pandemic, there has been particular emphasis on food manufacturer resilience. This thesis ...
Helical tool geometry in stability predictions and dynamic modeling of milling
(University of Missouri--Columbia, 2007)
The temporal finite element analysis (TFEA) method has been used in several publications to analyze interrupted machining dynamics. In this work, a higher order hp-version TFEA method will be presented which offers the possibility of lowering...
The role of time preference on wealth
(University of Missouri--Columbia, 2008)
Using data from the National Longitudinal Study of Youth 1979, this analysis affirmed the influence of time preference on wealth. Time preference was measured using the respondent's behaviors as proxies for time preference. ...
Second class : local and elite media framing of poverty in the Appalachian opioid epidemic
(University of Missouri--Columbia, 2018)
The opioid epidemic has disproportionately affected the rural Appalachian region, and poverty is a root cause of this. However, both poverty and the Appalachian region are historically under-covered and negatively framed ...
Exploring factors associated with free and reduced-price lunch participation in Missouri school districts
(University of Missouri--Columbia, 2020)
entities. The analysis of the Department of Elementary and Secondary Education data during the last decade revealed a 10.3% in the number of reimbursable lunches served in Missouri, with a lower participation level of eligible students from southern lower...