In this article, we formulate a semiparametric model for counting processes in which the effect of covariates is to transform the time scale for a baseline rate function. We assume an arbitrary dependence structure for the counting process and propose a class of estimating equations for the...

The number of bank failures has increased dramatically over the last twenty-two years. A common notion in economics is that some banks can become "too big to fail." Is this still a true statement? What is the relationship, if any, between bank sizes and bank failures? In this thesis, the...

Die Arbeit beschäftigt sich mit der Investition in neue, emissionsärmere Technologien, bei dem der Entscheider eine große, langfristige Investition tätigt und den dafür optimalen Zeitpunkt wählt. Dabei wird sowohl der gesamtwirtschaftliche Kontext, also die effiziente Allokation der neuen...

In the first section, a firm with two servers must decide how to dynamically route arriving customers and allocate servers to two separate queues. The servers may work together or separately, and we provide insights into how the firm should optimally route customers and assign servers to queues....