Die vorliegende Dissertation umfasst vier Aufsätze, die die Rohstoffterminmärkte untersuchen. Die Schwerpunkte der Studien liegen in den folgenden Bereichen: Volatilitätsmuster und Forecasting, Interdependenz von Rohstofftermin- und Aktienmärkten, Einfluss von Sentiment auf die Rendite von...

This thesis tries to establish first a comprehensive and realistic theoretical system in which trust changes, and then explores different interesting issues using different methods like comparison analysis, econometric analysis and agent-based modeling. The theoretical system restored in this...

Currently, with the popularity of sophisticated image editing tools like Photoshop, it is becoming very difficult to discriminate between an authentic image and its manipulated version, which poses a serious social problem of debasing the credibility of photographic images as definite records of...

This article proposed a reversible digital image watermarking scheme using PVO and Redundant Discrete Wavelet Transform (RDWT). The PVO was introduce to the proposed scheme to enhance the embedding capacity. By embedding the watermark in the RDWT coefficients, the proposed scheme exploited the...

While the traditional agency model assumes managerial risk aversion and underinvestmentin high-risk opportunities, the behavioural agency model allows for riskseeking by managers leading possibly to over-risky investments. Corporate governancemechanisms through their disciplining roles can steer...