Abstract: The impact of uncertainty on the decision-making of economic agents, such as firms and households, is a important but often neglected element of micro- and macroeconomic theory. With the onset of the financial crisis in 2007 and the strong increase in uncertainty that accompanied it,...

This dissertation consists of three essays, which study the implication of financial frictions in business cycles and monetary policy making. The first essay develops a Dynamic Stochastic General Equilibrium (DSGE) model to study how the instability of the banking sector can amplify and...