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...

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...

We analyse how constraints on dealers’ risk-bearing capacity affect market efficiency in the foreign exchange (FX) market. Dealers support market efficiency by accommodating their customers’ trading demands through elastic liquidity provision in normal times but when they face constraints...