The objective of this paper is to suggest a visual method for identifying departures from normality of the innovations in times series models. The method is based on replacing the variance by the Gini as the measure of variability. The Gini methodology is a rank-based methodology, which takes...

The main objective of the paper is to analyze the local determinants of innovation in the Luxembourg metropolitan region. We are particularly interested in the impact of the local milieu and characteristics of firms. Our paper addresses two specific research questions. Firstly, we examine the...

This dissertation consists of five distinct empirical papers covering two large areas of research that are rather independent from each other: the economics of ageing and the economics of innovation. The first three chapters cover the impact of intergeneration interaction on the parents of adult...

Die vorliegende Dissertation besteht aus fünf voneinander unabhängigen Papieren, die zwei größeren Forschungsfelder abdecken: die Ökonomie des Alterns und die Innovationsökonomik. Die ersten drei Kapitel betrachten den Einfluss der Interaktion zwischen Generationen auf die Eltern...

Band spectrum regression is considered for cointegrated time series with long memory innovations. The estimates we advocate are shown to be consistent when cointegrating relationships among stationary variables are investigated, while OLS are inconsistent due to correlation between the regressor...

The distribution of equity returns exhibits skewness and kurtosis. These two stylized facts are embedded in the multivariate volatility distribution of equity returns and are important in measuring the risk of an equity portfolio. In order to capture these attributes while estimating the...