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This paper develops an extension of the class of finite mixture models for longitudinal count data to the bivariate case by using a trivariate reduction technique and a hidden Markov chain approach. The model allows for disentangling unobservable time-varying heterogeneity from the dynamic...
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between corporate social performance (CSP) and financial risk for an extensive panel data sample of S&P 500 companies between …
Persistent link: https://www.econbiz.de/10013065100
Longitudinal data analysis is a central piece of statistics. The data are curves and they are observed at random locations. This makes the construction of a simultaneous confidence corridor (SCC) (confidence band) for the mean function a challenging task on both the theoretical and the practical...
Persistent link: https://www.econbiz.de/10008772600
The recent digitization of complete count census data is an extraordinary opportunity for social scientists to create large longitudinal datasets by linking individuals from one census to another or from other sources to the census. We evaluate different automated methods for record linkage,...
Persistent link: https://www.econbiz.de/10012479774
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demography is used to show that an initial bias can "fade-away" in later panel waves, if the transition laws in the observed … sample and the population are identical. Panel attrition is incorporated into the Markovian framework. Extensions to Markov … empirical data from a German Labour Market Panel to demonstrate the extend and speed of the fade-away effect. The implications …
Persistent link: https://www.econbiz.de/10012821615
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This paper starts from a review of RCT studies in development economics, and documents many studies largely ignore attrition once attrition rates are found balanced between treatment arms. The paper analyzes the implications of attrition for the internal and external validity of the results of a...
Persistent link: https://www.econbiz.de/10012957495
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