Vor dem Hintergrund der hohen Bedeutung von Forschungs- und Entwicklungskooperationen in der Biotechnologie analysieren die Autoren mit Hilfe einer empirischen Analyse die wesentlichen Einflussfaktoren auf das Management von zwischenbetrieblichen Entwicklungsprojekten. Basierend auf...

Forecasting real economic activity poses a considerable challenge not only due to hard-to-predict events like the current financial crisis but also due to the fact that targeted variables often undergo significant revisions after their first publication. In this paper we report the results of a...

Unit root tests for time series with level shifts are considered. The level shift is assumed to occur at a known time point. In contrast to some other proposals the level shift is modeled as part of the intercept term of the stationary component of the data generation process which is separated...

The conditions under which European monetary policy is likely to be conducted are investigated by means of multi-variate time series modelling using aggregated data of all eleven European Monetary Union member states. A cointegration analysis identifies two stable long-run relationships within a...

It has long been recognized that aggregating time series introduces correlation between consecutive values of the aggregated observations (see Working (1960)). This paper investigates the effect of aggregation on the relation between variables assuming that the data generating process involves...

In 2001 more than 80 percent of the Swiss electorate voted in favour of a constitutional amendment which aims at stopping the expansion of the public debt. A convincingly simple and seemingly intuitive formula provides an easy-to-implement expenditure rule for the budgetary process. This...

The information content of qualitative survey responses are confronted with the corresponding quantitative figures on a firm-by-firm basis. This comparison permits to directly check the information content of the qualitative data. The findings indicate that survey respondents provide correct...