Die Dissertationsarbeit hat zum Ziel, die Gültigkeit der Aussagen eines außenhandelstheoretischen Ansatzes der Neo-Heckscher-Ohlin-Modellklasse in der realen Welt zu überprüfen. Der gewählte Modellierungstyp erlaubt die Koexistenz internationalen intra- und inter-industriellen Handels. Da...

Die vorliegende Arbeit ist aufgrund der Beobachtung von wiederkehrenden Phänomenen in der Markenführungspraxis entstanden. Es konnte beobachtet werden, dass trotz einer vorhandenen strategischen Markenführung, eines Markenperformance Measurement und weiteren Instrumenten umfassende...

This study analyses and compares the theories relating to advertising and competition in economics literature with their operation in the market-place, and with the attitudes and pronouncements of public policy towards advertising and competition. A survey of the main literature in economic...

Plant breeders traditionally have estimated genotypic and phenotypic correlations between traits using the method of moments on the basis of a multivariate analysis of variance (MANOVA). Drawbacks of using the method of moments to estimate variance and covariance components include the...

This study examines the distributional properties of futures prices for contracts traded on LIFFE. A filtering process is employed to remove day of the week and holiday effects, a maturity effect, moving average effects and the influence of an asset's conditional variance from the raw returns...

Volatility modelling is a key issue for the finance industry from an academic and practitioner perspective. This is understandable given the importance that volatility plays in risk management and the development of accurate risk measures in a univariate or multivariate framework. To illustrate,...

Using a time-varying approach, this paper examines the dynamics of volatility in the real estate investment trust (REIT) sector. The results highlight the attractiveness and suitability of using GARCH based approaches in the modeling of daily REIT volatility.The paper examines the factors that...

This dissertation studies three classes of estimators for the asymptotic variance parameter of a stationary stochastic process. All estimators are based on the concept of data "re-use" and all transform the output process into functions of an approximate Brownian motion process.The first class...