Drei Probleme der Risikobewertung bei öffentlichen Investitionen werden behandelt. Erstes Thema ist die Frage nach der richtigen Diskontrate bei unsicherem Wirtschaftswachstum. Zentrales Ergebnis ist, dass die übliche Ramsey-Gleichung bei Unsicherheit keine Gültigkeit mehr hat und einer...

This paper tries to explain the declining level of public investment in OECD countries. The theoretical framework hints to the relevance of a number of demand and supply factors - ranging from the yield of public investment to institutions like the EU deficit limits. The econometric results...

We study the cyclicality of public R&D in 28 OECD countries (1995-2017). While procyclical on average, public R&D reacts asymmetrically over different phases of the business cycle and becomes acyclical during recessions. It is also heterogeneous across countries: Innovation leaders and followers...

This paper studies the great collapse in value added trade using a structural decomposition analysis. We show that changes in vertical specialisation accounted for almost half of the great trade collapse, while the previous literature on gross trade has mainly focused on final expenditure,...

The paper analyses the transmission of global financial shocks to individual member states of the European Monetary Union (EMU), in which monetary policy is delegated to the ECB and financial markets are fully integrated. Using a panel VAR model, we show that the asymmetric effects of global...