WThis doctoral thesis focuses on the effects of investor sentiment on asset pricing and the challenges of portfolio optimization under parameter uncertainty. The first essay "Sentiment risk premia in the cross-section of global equity" applies a recently developed sentiment proxy to the...

This doctoral dissertation analyses the transmission of monetary policy. It applies a variety of empirical methods to study how conventional and unconventional monetary policy measures transmit to different macroeconomic and financial variables. The first article analyses the effect of monetary...