This paper investigates recent developments in meta-analysis, the tool to quantitatively synthesize research in a certain body of literature. After providing a brief overview on how to do a meta-analysis and discussing recent methodological advancements in the field, I review applied...

Investment growth in emerging market and developing economies has slowed sharply since 2010. This paper presents a comprehensive analysis of the causes and implications of this slowdown and presents a menu of policy responses to improve investment growth. It reports four main results. First, the...

The Covid-19 pandemic hitting the world in 2020 also caused a high death toll in Germany and in the European Monetary Union (EMU) at large. The health crisis worldwide and the precautions against Covid-19 rapidly induced a demand and supply recession simultaneously. The Covid-19 crisis was...

This paper examines the dynamics of Keynesian models that incorporate feedback effects from the labor market to income distribution, investment, aggregate demand and output. A baseline version of the model can generate endogenous growth cycles, but cumulative divergence and economic collapse...