Die vorliegende Dissertation will einen Beitrag zur Messung von Krankheitsbelastung, Einkommensstruktur und Ausbildungsrenditen im ländlichen Westafrika leisten. Ihr Forschungsgegenstand ist die Erhebung und Analyse von Mortalitäts-, Morbiditäts- und sozio-ökonomischen Daten im...

Offshore outsourcing continues to gain prominence as the printing industrystrides into the future. With different segments of the industry looking at reducingcosts and, in exchange providing value-added services, more companies turntowards outsourcing services offshore as a solution. Although it...

In randomized clinical trials where the effects of post-randomization factors are of interest, the standard regression analyses are biased due to unmeasured confounding. The instrumental variables (IV; Angrist et al., 1996) and G-estimation procedures under structural nested mean models (SNMMs;...

Diese Arbeit umfasst eine Darstellung des Grossman-Modells und der Akkumulation von Gesundheitskapital. Es werden ältere empirische Untersuchungen (Wagstaff) vorgestellt und aus methodischer Sicht kritisiert, verbesserte ökonometrische Methoden vorgeschlagen und deren Anwendung in aktuellen...

I develop an empirical model that estimates a firm-specific accrual noise ratio (ANR), an operational and statistically grounded measure of accrual reliability, and test the measure's construct validity. The model allows accrual reliability to vary across firms, which is particularly important...

This paper has two main contributions. Firstly, we introduce a new approach, the latent instrumental variables (LIV) method, to estimate regression coefficients consistently in a simple linear regression model where regressor-error correlations (endogeneity) are likely to be present. The LIV...

In recent decades there has been a substantial increase in the scale of production and the use of production contracts in the hog sector. This paper explores empirically whether these two phenomena are related by examining whether the use of production contracts has allowed finish hog operations...