We examine the effect of energy prices and technological knowledge on innovation in green energy technologies. In doing so, we consider both demand-pull effects, which induce innovative activity by increasing the expected value of innovations, and technology-push effects, which drive innovative...

The article assesses the real costs and profits of German claims on the Eurosystem through TARGET2. While Germany’s nominal profits from holding TARGET2 claims depend on the development of the nominal interest rate, the real profits are determined by the real interest rate as well as the real...

Bubbles are usually viewed as a threat to financial stability. This paper takes a more nuanced view. The world economy is going through an episode of Secular Stagnation, where the equilibrium rate of return on capital r is below the growth rate of the economy g. As is well-known, rational...

This contribution develops a blueprint for a European fiscal union. We argue that a viable European fiscal union can be constructed without joint liability for public debt or a centralized government with a large common budget. Such a fiscal union should combine elements of market discipline...

This article quantifies the welfare differences among a monetary union, flexible exchange rates (economic disintegration) and a monetary plus fiscal transfer union (higher economic integration). The vehicle of analysis is a medium-scale New Keynesian DSGE model consisting of two heterogeneous...

In the wake of the euro area crisis, the debate on instruments to deepen economic integration among its members has intensified, among others putting forward a fiscal stabilization capacity for Economic and Monetary Union (EMU) members. Contributions made so far to further this idea have mostly...

The euro area will not have a centralized budget, and smoothing of country-specific asymmetric shocks via private financial markets will develop only slowly. Mistrust among the governments has caused rigid, even pro-cyclical, fiscal policies. Smoothing mechanisms are absent due to the fear that...

There is a large, yet growing debate about the need to complement the European monetary union with a stronger fiscal union. This article reviews the potential trade-offs between effectiveness, moral hazard problems, and permanent redistribution. Addressing the counter-arguments against a tighter...