The increasing casualisation of labour forces trade unions globally to deal with a growing number of unprotected and unrepresented workers in what is dubbed by the unions, even if critically, as the informal economy. This paper assesses the impact and further potential of a direct and indirect...

Zur Rekonstruktion der jungquartären Landschaftsentwicklung am Kilimanjaro werden Sedimente aus Paläoböden am Mt Kilimanjaro untersucht, um die lokale und regionale Ökosystem-, Klima-, Feuerdynamik in einem größeren Rahmen zu verstehen. Desweiteren soll die Reaktion der Ökosysteme auf...

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.

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...

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....

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...

Rice is an important cereal to Ghana’s economy and agriculture. While there is huge potential for lowland rice cultivation in northern Ghana, erratic rainfall and low and degrading soil fertility remain the key constraints of production. The present study analyzes the adoption decision and the...