This paper aims to stress the importance of market liquidity for the stability of the financial system, emphasizing the pivotal role played by liquidity risk in the development of the current financial crisis, pointing out the flaws of regulation and supervision and stressing the need for their...

We characterize the equilibrium of a complete markets economy with multiple agents featuring a preference for the timing of the resolution of uncertainty. Utilities are defined over an aggregate of two goods. We provide conditions under which the solution of the planner's problem exists and it...

Arbitrage trading strategies are a class of trading strategies that involve buying and selling financial instruments to take advantage of price discrepancies. The goal of arbitrage trading is to make a profit from the differences in prices between securities or markets, without taking on...

We introduce a portfolio friction in a two-country DSGE model where investors face a constant probability to make new portfolio decisions. The friction leads to a more gradual portfolio adjustment to shocks and a weaker portfolio response to changes in expected excess returns. We apply the model...

A practice that has become widespread is that of comparing forecasts of financial return variability obtained from discrete time models against high frequency estimates based on continuous time theory. In explanatory financial return variability modelling this raises several methodological and...

Wir untersuchen für ein internationales Unternehmen das Zusammenwirken von finanz- und realwirtschaftlichem Risikomanagement. Dies geschieht auf der Grundlage eines intertemporalen, stochastischen Entscheidungsmodells. Die gemeinsame Betrachtung von Devisen-Futures und Lagerhaltung bestätigt...

A practice that has become widespread and widely endorsed is that of evaluating forecasts of financial variability obtained from discrete time models by comparing them with high-frequency ex post estimates (e.g. realised volatility) based on continuous time theory. In explanatory financial...

The relationship between recessions and productivity has been the focus of an important body of theoretical and empirical research in the last two decades. We contribute to this literature by presenting new evidence on the evolution of productivity in the aftermath of recessions. Our method...