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)....

In their 1963 classic Scarcity and Growth Howard Barnett and Chandler Morse argued that resource scarcity did not threaten economic growth. A second investigation in the late 1970s, Scarcity and Growth Reconsidered, reached largely the same conclusion. The 25 years since that work was published...

Innovation is novelty - it involves doing new things in new ways. So new products, new processes, new organizational methods, new services, and so on, are all part of innovation. Technological innovation transforms and improves the technical attributes and performance characteristics of products...

The representative firm has been a much-criticized concept, subject to conflicting interpretations with respect to both its configuration and its intended role in Marshall's Principles (the Principles).2 The concept found itself a focal point of much of the debate during the significant cost...