We devise a simple model of liquidity demand and supply to deepen the understanding of dealers’ liquidity provision in …' intermediation capacity is constrained the cost of liquidity provision increases disproportionately relative to dealer …-intermediated volume. Thus, the otherwise strong and positive relation between liquidity costs and trading volume effectively shrinks to …

clients' liquidity provision to be a key motive for why dealers grant relationship discounts. Another important motive is that …