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 15 of 15 for “"Quantile regressions"”.
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Clustering Analysis of Zernike Coefficients Through Quantile Regression
… fifteen Zernike coefficients into groups. Quantile regressions are considered to describe the relationship between Zernike coefficients and pupil size. We employ Gibbs sampler and adaptive rejection Metropolis sampling to infer the parameters for each cluster. Bayesian information criterion …
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Maize response to fertilizer and fertilizer-use decisions for farmers in Ghana
… fertilizer on maize output using OLS and quantile regressions, (2) determines the profitability of fertilizer at the subsidized and unsubsidized prices using the value-cost ratio, and (3) examines alternate instruments for increasing fertilizer use using a linear probability model. I find …
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Does a Child Penalty Exist in the Post-apartheid South African Labour Market?
… exists, ceteris paribus. Using unconditional quantile regressions (RIF-OLS) to analyse the wage returns along the wage distribution, the study finds that there exists a motherhood wage penalty at lower wage levels, but this effect wanes in prominence at higher wage quantiles. At higher wage …
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Wage Inequality: A Gender and Race Analysis of South African Wages between 1994 and 2015
… and Oaxaca-Blinder Decomposition techniques. Quantile regressions are also run to identify potential factors that could explain inequality in the country. Inequality between 1994 and 2015 has increased and the decomposition of the General Entropy class of indices and Atkinson class of measures …
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Three essays on resource and development economics in Sub-Saharan Africa: evidence from Senegal
… and propensity score matching and uses quantile regressions to examine the welfare effects of rural electrification. The latter is embedded within the first phase of the Emergency Programme for Community Development (PUDC I) implemented by the Senegalese Government. The study uses a …
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US commodity support payments: On allocation of resources and fairness, post 1996
… of operation. Farm level data was analyzed using quantile regressions, where the effect of payments on the entire distribution of conditional farm size was quantified. The findings suggest that government payments do increase farm size at some parts of the conditional distribution and not others, …
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Three essays in econometrics
… provides an improved inference for predictive quantile regressions with persistent predictors and conditionally heteroskedastic errors. Confidence intervals based on conventional quantile regression techniques are not valid when predictors are highly persistent. Moreover, the conditional …
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Essays on the industrial organization of the airline industry
… airports, which offer substitute products. In quantile regressions on thedistribution of prices, I show that prices at the upper end of the distribution react more strongly to flight delays. In Chapter 2, I study how airline passenger complaints are related to actual and expected service …
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The gender wage gap in developing and transition countries
… chapter. First, I run a preliminary OLS and quantile regression analysis to estimate and describe the raw and conditional wage gaps along the distribution. Second, I estimate quantile regressions separately for males and females, in order to allow for different rewards to characteristics. …
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The effects of contagion during the global financial crisis in government-regulated and sponsored assets in emerging markets
… during the financial crisis of 2007–09. We use quantile regressions since this approach is robust to the presence of outliers and their impact on the factors during crisis periods. The results obtained in this chapter provide empirical evidence for the special role of the state in protecting and …
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Three Essays on the Supply of Long-Term Care Services to the Elderly in the U.S.
… seven waves of HRS. Estimates from unconditional quantile regressions indicate that parental dementia substantially reduces household wealth of an unmarried adult child in the upper quantiles of the wealth change distribution in the first two years after parental diagnosis. These effects are more …
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Investigating product market Integration in the southern African development community : a price-based approach
… region to these sample selection biases using quantile regressions. The results show that the standard pooled OLS estimate s reported in much of the existing literature (and in the first main chapter) suffer from a sample selection problem which biases the estimated distance and border …
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Three essays on households' location decisions: analysis of the processes of gentrification and rural-urban migration
"Using econometric, theoretical and modeling approaches, this dissertation studies how the processes of gentrification and interregional migration affect the location decisions of individuals. The first paper analyzes the effect of gentrification on the housing price premium distribution using data …
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¿Informalidad voluntaria o forzada? Análisis de datos panel sobre las brechas de ingresos en Colombia
En Colombia, como en otras economías, la informalidad laboral es motivo de preocupación. El país enfrenta una de las tasas de informalidad más elevadas en la región, lo que plantea desafíos significativos debido a las razones y efectos asociados a este fenómeno laboral. La literatura relacionada en …