The economy is an adaptive and evolving complex system. The recognition of this fact has produced, over the last few years, a gradual but firm shift on the direction taken by mainstream economic thought. The representative agent paradigm is giving place to settings of interacting heterogeneous...

We use a simple New Keynesian model, with firm specific capital, non-zero steady-state inflation, long-run risks and Epstein-Zin preferences to study the volatility implications of a monetary policy shock. An unexpected increases in the policy rate by 150 basis points causes output and inflation...

We develop a VAR that allows the estimation of the impact of monetary policy shocks on volatility. Estimates for the US suggest that an increase in the policy rate by 1% is associated with a rise in unemployment and inflation volatility of about 15%. Using a New Keynesian model, with search and...

We use a simple New Keynesian model, with firm specific capital, non-zero steady-state inflation, long-run risks and Epstein-Zin preferences to study the volatility implications of a monetary policy shock. An unexpected increases in the policy rate by 150 basis points causes output and inflation...

This paper develops a macro-finance model of the yield curve and uses this to explain the behavior of the US Treasury market. Unlike previous macro-finance models which assume a homoscedastic error process and suppose that the one-period return is directly observable, I develop a general affine...

We develop a VAR that allows the estimation of the impact of monetary policy shocks on volatility. Estimates for the US suggest that an increase in the policy rate by 1% is associated with a rise in unemployment and inflation volatility of about 15%. Using a New Keynesian model, with search and...

This paper develops a macro-finance model of the yield curve and uses this to explain the behavior of the US Treasury market. Unlike previous macro-finance models which assume a homoscedastic error process and suppose that the one-period return is directly observable, I develop a general affine...

This paper presents a New Keynesian DSGE model with inventory holding firms. The model distinguishes between goods and materials, for both production as well as for inventories. The more detailed treatment of inventory holdings offers new insights into the determinants of business cycles before...

This paper introduces inventories in an otherwise standard dynamic stochastic general equilibrium model. Firms accumulate inventories to facilitate sales, but face a cost of doing so in terms of costly storage of intermediate goods. Based on U.S. data we estimate the parameters of our model...

Es wird kontrovers darüber diskutiert, ob die Rezession in Deutschland im Jahr 2009 von einem Einbruch des Welthandels oder von einem Angebotsschock aufgrund der Probleme im Bankensektor verursacht wurde. Gemäß dem neuen DSGE-Modell des Instituts der deutschen Wirtschaft Köln haben sowohl...