Reorganisationen sind seit vielen Jahren und unter verschiedenen Bezeichnungen ("Lean Management", "Reengineering" etc.) eines der Top-Themen in der Management-Szene. Die Umsetzung solcher Vorhaben sieht in der Praxis jedoch zumeist sehr ern?chternd aus. "Unwillen zur Ver?nderung" gepaart mit...

A central insight in economic sociology is that firms depend on relationships with other organizations for their access to capital, information, and other resources. Such interactions among firms tend to develop into stable networks of social and economic exchange that stratify firms in an...

Performance based budgeting reform in its latest stage continues to evolve after resurgence in popularity resulting from the Clinton Administration's National Performance Review and the international new public management (NPM) movement. Performance based budgeting is sometimes viewed with...

The thesis consists of two essays: "The CAPM -- A General Equilibrium Foundation" and "The Foreign Exchange Rate in Financial Markets".The Capital Asset Pricing Model (CAPM) is one of the most successful models for portfolio selection. The utility functions are assumed to depend positively on...

Marine Inseln beherbergen einen großen Teil der biologischen Vielfalt unseres Planeten und weisen gleichzeitig einen hohen Anteil endemischer Arten auf. Inselbiota sind allerdings zudem besonders anfällig für anthropogene Einflüsse wie den globalen Klimawandel, Habitatverlust und invasive...

In this paper we critically examine the main workhorse model in asset pricing theory, the Lucas (1978) tree model (LT-Model), extended to include heterogeneous agents and multiple goods, and contrast it to the benchmark model in financial equilibrium theory, the real assets model (RA-Model)....

As Internet-based commerce becomes increasingly widespread, large datasets about the demand for and pricing of a wide variety of productsbecome available. These present exciting new opportunities for empiricaleconomic and business research, but also raise new statistical issuesand challenges. In...