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earnings either in that same year or within the past two years. We also find evidence of earning management contagion at the … past two years. Furthermore, we find that earnings management contagion is stronger when it’s the shared director has a … also a director at another firm is associated with stronger contagion relative to other board positions of shared directors …
Persistent link: https://www.econbiz.de/10009471502
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
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
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
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
This dissertation comprises three essays that study online demand coming from local offline markets. In the first essay, I study two social influence effects reflected in physical proximity and in demographic similarity, respectively, on online demand evolution. As these effects can be...
Persistent link: https://www.econbiz.de/10009439048
Social interactions in a community influence perceptions and values of members of the community. Recently Web 2.0 technologies have stimulated rapid growth of online communities, where communications between participants are made much easier. It is important to study how participants' behaviors...
Persistent link: https://www.econbiz.de/10009450649
In this thesis different definitions of financial contagion are explored. These definitions are applied to test for … evidence of contagion on a number of stock markets and during several turbulent periods. First, we investigate the question … calm market and emerging crisis markets. Additionally, we explore the direction of spillovers and contagion effects between …
Persistent link: https://www.econbiz.de/10009460744
contagion risk in the accumulation process, and the outlook of regional arrangements of cooperation, such as regional reserve …
Persistent link: https://www.econbiz.de/10009468233
This dissertation describes different conceptions of economic crises and different conceptions of contagion effects …. There is a survey of theoretical and empirical studies concerning contagion effects on financial markets. A theoretical … model describes a single contagion mechanism caused by information updating by investors. There is further an investigation …
Persistent link: https://www.econbiz.de/10009475333