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Determination of the optimal number of strata for bias reduction in propensity score matching.
Akers, Allen - 2010
Previous research implementing stratification on the propensity score has generally relied on using five strata, based on prior theoretical groundwork and minimal empirical evidence as to the suitability of quintiles to adequately reduce bias in all cases and across all sample sizes. This study...
Persistent link: https://www.econbiz.de/10009475025
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An Asymptotic Analysis of the Logrank Test
Strawderman, Robert L. - 1997
Asymptotic expansions for the null distribution of thelogrank statistic and its distribution under local proportionalhazards alternatives are developed in the case of iid observations.The results, which are derived from the work of Gu (1992) andTaniguchi (1992), are easy to interpret, and...
Persistent link: https://www.econbiz.de/10009477088
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Mixed Discrete and Continuous Cox Regression Model
Prentice, Ross L.; Kalbfleisch, John D. - 2003
retaining the multiplicative hazard rate form of the absolutely continuous model. Application of martingale arguments to the … martingale arguments. This estimator reduces to the usual hypergeometric form in the special case of testing equality of several …
Persistent link: https://www.econbiz.de/10009477091
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Treatment Comparison in Biomedical Studies Using Survival Function
Zhao, Meng - 2011
In the dissertation, we study the statistical evaluation of treatment comparisons by evaluating the relative comparison of survival experiences between two treatment groups. We construct confidence interval and simultaneous confidence bands for the ratio and odds ratio of two survival functions...
Persistent link: https://www.econbiz.de/10009463366
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L’IMPACT DU CAPITAL HUMAIN SUR LA PRODUCTIVITE AGRICOLE AU BURKINA FASO
Theophile, Kabore - 2010
matching utilisé habituellement pour évaluer l’impact de politique sur une population donnée a été utilisée comme méthode d … Score Matching usually used to estimate the impact of social or economic policies on target groups. By the matching method …
Persistent link: https://www.econbiz.de/10009443809
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Essays on crime and search frictions
Engelhardt, Bryan - 2008
search and matching model of the labor market. All workers, irrespective of their labor force status can commit crimes and …
Persistent link: https://www.econbiz.de/10009466027
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Three Essays on Semiparametric Methods for the Evaluation of Social Programs.
Busso, Matias - 2008
properties of several semiparametric estimators of average treatment effects, including IPW, matching and double robust …
Persistent link: https://www.econbiz.de/10009477099
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Dual employment protection legislation : a framework for analysis
Dolado Lobregad, Juan José; Jansen, Marcel; Jimeno … - 2005
In many countries, Employment Protection Legislation (EPL) establishes different regulations for certain groups of workers who face more disadvantages in the labor market (young workers, women, unskilled workers, etc.) with the aim of improving their employability. Well-known examples are the...
Persistent link: https://www.econbiz.de/10012530077
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Sequential Pre-Marital Investment Games: Implications for Unemployment
Boudreau, James W. - 2008
Agents on the same side of a two-sided matching market (such as the marriage or labor market) compete with each other … generally occur prior to matching, this activity has come to be known in recent literature (Peters, 2007) as pre … matching game in which one side of the market invests first, followed by the other. Interpreting the first group of agents as …
Persistent link: https://www.econbiz.de/10009430183