This dissertation consists of three stand-alone research papers, all of which treat the topic of estimation and dynamic modelling of multivariate volatility by employing the information contained in high-frequency data, which became available in the last 10 - 15 years. The main focus of all...

Standard statistical methods in the empirical economics and finance literature are mostly applicable to data that is aggregated on equally spaced time points. However, a key characteristic of many economic and financial variables is that they occur randomly and are observed irregularly in time....

Diese Arbeit untersucht die Fragestellung: „Der Terminkurs besitzt eine unverzerrte Prognosefähigkeit für den erwarteten Wechselkurs.“ Diese hypothetische Annahme der unverzerrten Prognosefähigkeit wird in der wissenschaftlichen theoretischen Literatur oft verwendet, in der Regel jedoch...

Consumers interact with each other and within their social networks. Influentials have an overproportional influence on other consumers? preferences and choices, thus having relevant implications for product development, marketing planning and strategic marketing. An important question that...

Die Untersuchung stellt den Textileinzelhandel in der Bundesrepublik Deutschland in tierfer Untergliederung im Rahmen seines Umfeldes das. Ziel der Darstellung ist die Erfassung der den Strukturwandel seit den siebziger Jahren dominierenden Entwicklungen.

This article deals with the analysis of the positive side of the foreign direct investments in the World´s economy. The importance of this research is derived from the significant role that can be played by foreign investments in industrialized and developing countries. Some countries are still...

Southeast Asian industrial exports are facing intense competition from Chinese industrial exports. How much more will competition increase as a result of China's recent accession to the World Trade Organization? Will Indonesia, Malaysia, the Philippines, and Thailand (the ASEAN-4)...

The dramatic rise in international production in recent years stands out as the most decisive factor in the globalization of economic activity. Foreign Direct Investment (FDI) has been growing very rapidly in the recent past while international trade ceased being the principle mechanism linking...

The capitalist welfare state achieved its full development within the nearly closed national economies of the early postwar decades. After the rampant protectionism following the Great Depression, and after the complete breakdown of world markets in World War II, the restoration of international...

Theories of international cooperation (TIC) predict that deeper economic integration raises the costs of policy conflicts and promotes coordination. As the US-EU economy makes up 60 per cent of the world GDP, policymakers on the two sides of the Atlantic are expected to assign highest priority...