Using a Markov‐switching VAR, we show that the effects of uncertainty shocks on output are four times higher in a regime of economic distress than in a tranquil regime. We then provide a structural interpretation of these facts. To do so, we develop a business cycle model in which agents are...

We develop a business cycle model with gross flows of firm creation and destruction.The credit market is characterized by two frictions. First,entrepreneurs undergo a costly search for intermediate funding to create a firm. Second, upon a match, a costlystate-verification contract is set up....

The creation of the European Monetary Union (EMU) in 1999 was expected to become a catalyst for real convergence in Europe. Far from being the case, real divergence increased from the early 1990s as evidenced by low productivity growth in the "periphery" of the Euro area relative to "core"...

The scale of public expenditure to be incurred in the Covid-19 health crisis is raising heated debates about the appropriate funding. Long rejected by mainstream macroeconomics due to its possible inflationary consequences, monetization is currently undergoing a surprising rehabilitation....