We devise a simple model of liquidity demand and supply to deepen the understanding of dealers’ liquidity provision in currency markets. Drawing on a globally representative data set on currency trading volumes, we show that at times when dealers' intermediation capacity is constrained the...

This work studies the information content of trades in the world's largest over-the-counter(OTC) market, the foreign exchange (FX) market. It analyses a novel, comprehensiveorder flow dataset, distinguishing amongst different groups of market participantsand covering a large cross-section of...

In this paper, we characterise the liquidity provision and price discovery roles of dealers and HFTs in the FX spot market during the sample period between 2012 and 2015. We find that they have different responses to adverse market conditions: HFT liquidity provision is less sensitive to spikes...

Over 85% of all foreign exchange (FX) transactions involve the US dollar. I show that the US dollar dominates FX trading volume because of strategic avoidance of price impact. To demonstrate this, I leverage the fact that non-dollar currency pairs can be traded indirectly by using the US dollar...

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...