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The Analysis of Censored Covariates in Observational Studies

Johnson, Brent Alan - 2003

After treatment is found to be effective in a clinical study, attention often focuses on the effect of treatment duration on outcome. Such an analysis facilitates recommendations on the most beneficial treatment duration. In many studies, treatment duration is left to the discretion of the...

Persistent link: https://www.econbiz.de/10009431294

Causal Inference in Discretely Observed Continuous Time Processes

Zhang, Mingyuan - 2009

In causal inference for longitudinal data, standard methods usually assume that the underlying processes are discrete time processes, and that the observational time points are the time points when the processes change values. The identification of these standard models often relies on the...

Persistent link: https://www.econbiz.de/10009439039

Causal Inference with Two-Stage Logistic Regression - Accuracy, Precision, and Application

Cai, Bing - 2010

Two-stage predictor substitution (2SPS) and the two-stage residual inclusion (2SRI) are two approaches to instrumental variable (IV) analysis. While 2SPS and 2SRI with linear models are well-studied methods of causal inference, the properties of 2SPS and 2SRI for logistic binary outcomes have...

Persistent link: https://www.econbiz.de/10009439053

Bayesian Mixture Modeling Approaches for Intermediate Variables and Causal Inference

Schwartz, Scott Lee - 2010

This thesis examines causal inference related topics involving intermediate variables, and uses Bayesian methodologies to advance analysis capabilities in these areas. First, joint modeling of outcome variables with intermediate variables is considered in the context of birthweight and censored...

Persistent link: https://www.econbiz.de/10009475463

Corporate Venture Capital

Christoph Banik - 2011

Corporate Venture Capital bezeichnet die Finanzierung von Jungunternehmen durch etablierte Firmen. Diese Dissertation untersucht anhand eines Datensatzes die Unterschiede zwischen Venture Capital und Corporate Venture Capital und eruiert die Einflussfaktoren auf das Umsatz- und...

Persistent link: https://www.econbiz.de/10009466982

Decision making on the sole basis of statistical likelihood

Giang, Phan H.; Shenoy, Prakash P. - 2005

This paper presents a new axiomatic decision theory for choice under uncertainty. Unlike Bayesian decision theory where … uncertainty is represented by a probability function, in our theory, uncertainty is given in the form of a likelihood function … statistical inference problem, our theory suggests a novel solution. The results in this paper could be useful for probabilistic …

Persistent link: https://www.econbiz.de/10009430923

Essays on Efficiency Analysis

Jansen, Dennis W. (contributor) - 2009

This dissertation consists of four essays which investigate efficiency analysis, especiallywhen non-discretionary inputs exist. A new approach of the multi-stage Data EnvelopmentAnalysis (DEA) for non-discretionary inputs, statistical inference discussions, andapplications are provided. In the...

Persistent link: https://www.econbiz.de/10009464881

Decision analysis and risk management : application to climate change and risk detection

2011

We have analyzed the application of decision analysis and risk management tools to solve practical problems associated with Climate Change and Risk Detection in the financial services industry. Geoengineering, which is described as an intentional modification of earth’s environment to mitigate...

Persistent link: https://www.econbiz.de/10009429336

Losing Under Contract: Transaction-Cost Externalities and Spot Market Disintegration.

Roberts, Michael J.; Key, Nigel - 2005

Standard economic intuition of revealed preference implies that when two parties freely enter into a contract then neither should be worse off. In this study, we develop a simple model showing that introducing the opportunity to contract can lower welfare for some, and perhaps all, contracting...

Persistent link: https://www.econbiz.de/10009429443

Optimal supplier testing and tolerance strategies for genetically modified (GM) wheat.

Wilson, William W.; Dahl, Bruce L.; Jabs, Eric - 2007

A stochastic optimization model was developed to determine optimal testing strategies, costs, and risks for dual …

Persistent link: https://www.econbiz.de/10009429465