We review the theory of leverage developed in collateral equilibrium models with incomplete markets. We explain how leverage tends to boost asset prices and create bubbles. We show how leverage can be endogenously determined in equilibrium and how it depends on volatility. We describe the...

The relatively long term period of stability before the present crises called even "Great Moderation" or "Golden Age of Central Banking" indicated that the infl ation targeting was a success story. As of 2008 a lot has changed and the debate over "Leaning against the wind or Clean afterwards?"...

This paper explores whether the level of de facto financial integration of banks in a country increases the incidence of systemic banking crises. The paper computes a measure of financial integration based on network statistics of banks participating in the global market of inter-bank syndicated...

This paper studies exchange rate policy in a small open economy model featuring an occasionally binding collateral constraint and Fisherian deflation. The goal is to evaluate the performance of alternative exchange rate policies in sudden stop-prone economies. The key element of the analysis is...

Central banks of major advanced economies have already started their sixth year of the greatest ever experiment in monetary policy at place. First, special measures were taken to prevent collapse of financial intermediation. At the same time main policy rates were cut down to historical lows...

Today we live in a post-truth and highly digitalized era characterized by a flow of (mis-) information around the world. Identifying the impact of this information on stock markets and forecasting stock returns and volatilities has become a much more difficult task, perhaps almost impossible....

Do financial crises radicalize voters? We study Germany's 1931 banking crisis, collecting new data on bank branches and firm-bank connections. Exploiting cross-sectional variation in precrisis exposure to the bank at the center of the crisis, we show that Nazi votes surged in locations more...

Today we live in a post-truth and highly digitalized era characterized by a flow of (mis-) information around the world. Identifying the impact of this information on stock markets and forecasting stock returns and volatilities has become a much more difficult task, perhaps almost impossible....

The financial crises of 2007-2008, caused wide-spread falling output and unemployment, in the affected countries and also globally. The severity of the recession was such that it was called the "Great Recession". As a result of an increase in demand from China and India, at the same time, oil...