Standard simple-sum monetary aggregates, like M3, sum up monetary assets that are imperfect substitutes and provide different transaction and investment services. Divisia monetary aggregates, originated from Barnett (1980), are derived from economic aggregation and index number theory and aim to...

The Belt and Road initiative, recently embarked on by China, aims to improve cross-border infrastructure in order to reduce transportation costs across a massive geographical area between China and Europe. The authors estimate how much trade might be created among Belt and Road countries as a...

With a unique data set summarizing the quality of rules-based fiscal governance in EU member states, we show that stronger fiscal rules in euro area members reduce sovereign risk premia, in particular in times of market stress. To do so, we develop a model of sovereign spreads that are...

We review the evidence on the impact of public R&D spending. We first look at the evidence from micro-analysis of the impact of public intervention on private R&D and innovation, with a focus on the latest results from crosscountry micro-research performed within SIMPATIC (www.simpatic.eu). To...

Low-carbon energy technologies are pivotal for decarbonising our economies up to 2050 while ensuring secure and affordable energy. Consequently, innovation that reduces the cost of low-carbon energy would play an important role in reducing transition costs. We assess the two most prominent...