How do option and equity markets interact with each other? This is the central question that is answered from three different angles in this dissertation. The first Chapter discusses how option-implied information is incorporated into equity markets. Based on a novel rescaled option-implied...

This dissertation consists of three essays that uncover the origins of market frictions and their implications for the functioning of the global foreign exchange (FX) market. The first research paper speaks to the hegemony of the US dollar in FX trading. Over 85% of all FX transactions involve...