This thesis covers three issues: the aggregate and welfare effects of environmental policies when plants are heterogeneous; what causes the different patterns of employment dynamics in small versus large firms over business cycles; and the welfare costs of expected and unexpected inflation. In...

This dissertation consists of three essays in Macroeconomics. The first essay assesses the impact of offshoring on aggregate productivity and on labour market outcomes by developing a dynamic general equilibrium model in which workers acquire task-specific human capital. The dynamic nature of...

This thesis examines two closely related issues: (1) the ability of imperfect information models to explain some aspects of business cycle dynamics, and (2) the interaction between central bank communications and monetary policy. These issues are related because central bank communications can...