Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 92 for “"Tobit"”.
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A tobit analysis of factors affecting vegetable expenditure patterns in U.S. households
… Statistics Consumer Expenditure Diary Survey. Tobit analysis is employed to measure the effects of changes in household socioeconomic and demographic characteristics on changes in the probability of purchase and the magnitude of expenditure for vegetables. The study examines expenditure for the …
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Measuring technical efficiency in Zimbabwe's manufacturing sector: a two-stage DEA Tobit approach
This paper measures and explains efficiency of firms in Zimbabwe's manufacturing sector. The paper uses a panel of 166 firms from 6 subsectors of the manufacturing sector in the financial year 2014. The Data envelopment analysis program is used to measure efficiency and identify its determinants. …
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Hypothesis testing for spatial SARAR Tobit models and high dimensional data and their applications
Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2024-08-01
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General methods for analyzing bounded proportion data
… models are inflated GAMLSS model and generalized Tobit GAMLSS model. The inflated GAMLSS model extends the flexibility of beta inflated models by allowing the distribution on (0,1) of the continuous component of the dependent variable to come from any explicit or transformed (i.e. logit or …
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The impact of married women's employment on household expenditures for clothing
… of wives’ labor force participation; (2) tobit analysis to predict wives’ wage rates; (3) tobit analyses of six separate clothing expenditure models that contained predicted values from (1) and (2); and (4) tobit analysis of a clothing expenditure model that contained predicted values from …
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Adoption of Renewable Portfolio Standards in the United States: Which Factors Matter?
… non-trivial fraction of the population. Thus, a Tobit model was used for the analysis. Results indicate that the Tobit model yields a valid representation of the data. For comparison, a model based on an OLS has also been estimated and its results are in agreement with those obtained for the …
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Three Essays on the Spatial Autoregressive Model in Spatial Econometrics
… variables, especially the simultaneous SAR Tobit model; the third chapter studies estimation methods of the SAR model with an endogenous spatial weight matrix.Chapter One considers the LM tests of spatial models with limited dependent variables. It focuses on the specification and hypothesis …
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The Impact of Groundnut Production and Marketing Decisions upon Household Food Security Among Smallholder Farmers in Sub-Saharan Africa: Does Gender Matter?
… decisions. Apart from the OLS regression, a tobit model is employed to estimate the gender effects on household marketing decisions, examining both the decision to participate in a market and the decision concerning the amount to market. Cash cropping decisions are found to play no role in …
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Determinants of bank technical efficiency: A South African study
… using data envelopment analysis and the Tobit regression model, of the six largest listed South African banks for the years 2008-2018. An input-oriented intermediary constant-return-to-scale approach was followed to determine technical efficiency scores. After technical efficiency scores …
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Women's Work, Men's Work: The Relationship Between Wife's Wage Rate and Husband's Relative Input to Household Production
… primary respondent. Hypotheses were tested using Tobit analysis.
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Awareness and Willingness to Pay for Moringa as a Leafy Vegetable in Limpopo Province
… statistics, Bivariate Probit Regression and Tobit Regression Model. The results indicated that the majority of the respondents had no idea that Moringa could be consumed as a leafy vegetable. However, the results also indicated that the majority of respondents were willing to pay (WTP) an …
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Market substitutes for housework: Variations in use
… families and 1,792 married-mother families. Tobit regression analyses were used to test for variables related to expenditures for (a) time-saving durables, (b) food away from home, (c) clothing care, (d) child care, (e) domestic services, and (f) total services.
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An analysis of the U.S. meat industry from consumers' and processors’ points of view
… portion of a carcass. The second was a bivariate Tobit model that was used to directly compare consumer purchasing levels between local and grocery providers. In the first paper, multiple results were discovered about the willingness to pay (WTP) of consumers for meat as both carcasses and cuts. …
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The impact of smoking on individual health expenditures: a case study of Namibia
… intensity and smoking prevalence. Further, three Tobit regression models are run to examine the associations of the different healthcare costs with smoking intensity. Results: The concentration index of smoking prevalence is estimated at -0.05 compared to -0.18 for smoking intensity. Thus, both …
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Factors influencing the adoption of soil conservation practices in Virginia's Piedmont Bright Leaf Erosion Control Area
… of conservation adoption are estimated. First a Tobit model of expenditures for conservation practices exclusive of conservation tillage is estimated. Second, conservation tillage adoption is considered in a Tobit model of conservation tillage acreage. Results indicate that several factors …
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A Micro-Level Study of Strikes During Contract Negotiations: Determinants and Effects on Wage Changes
… variables. The model is estimated using tobit analysis for the former two variables and probit analysis for the latter.
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Usefulness of goodwill impairment under SFAS No. 142 in reflecting the relative efficiency of firms
… periods (the longitudinal analysis). Second, Tobit and logistic regressions are applied to analyze factors affecting the percentage of goodwill impairment and a decision to report goodwill impairment. Finally, a logistic regression and a multivariate discriminant analysis (MDA) are used to …
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Determinants of Post-Harvest Handling Practices and Technologies Harnessed by Smallholder Fruit Crop Farmers in Vhembe District, Limpopo Province, South Africa
… analysed using descriptive statistics and the Tobit regression model. The data analysis results, with direct implications for policymakers and organisations, reveal a predominance of male farmers (63.8%), with significant engagement in agriculture (84.4%) and high land ownership (95.5%). …
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Smallholder market access: the case of groundnut sector in Malawi
… groundnut market channels. Finally, a Selective Tobit model was used to assess factors that influence smallholder farmers to adopt technologies on quality management and decide the extent of adoption. The study results indicated that smallholder farmers manage to sell all their groundnuts brought …
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