In this paper we present the Ifo Investment Database, which provides annual investment data for 12 investment assets in 50 German industries from 1991 onward. The data is consistent with national accounts statistics provided by the German Federal Statistical Office and is based on investments in...

The use of large datasets for macroeconomic forecasting has received a great deal of interest recently. Boosting is one possible method of using high-dimensional data for this purpose. It is a stage-wise additive modelling procedure, which, in a linear specification, becomes a variable selection...

This paper applies component-wise boosting to the topic of regional economic forecasting. Component-wise boosting is a pre-selection algorithm of indicators for forecasting. By using unique quarterly real gross domestic product data for two German states (the Free State of Saxony and...

The use of large datasets for macroeconomic forecasting has received a great deal of interest recently. Boosting is one possible method of using high-dimensional data for this purpose. It is a stage-wise additive modelling procedure, which, in a linear specification, becomes a variable selection...

Der 2009 im Handel durchgeführte "Test des Tests" durchlief bis zur endgültigen Version verschiedene Konzeptionsphasen. Zunächst wurden die Fragebögen der früheren Meta-Umfragen als Orientierungsmaßstab insbesondere hinsichtlich Zielvorstellung, Wortlaut und Umfang herangezogen und auf die...

Der Bereich Dienstleistungen macht mehr als 70% der deutschen Bruttowertschöpfung aus, jedoch ist die Konjunkturanalyse und -prognose in diesem Wirtschaftsbereich noch sehr unterentwickelt. Ein Blick in die Literatur zeigt, dass die Forschung hier noch am Anfang steht und sich bisher diesem...