We document low cross-sectional correlations between high-frequency market maker (MM) inventory positions, suggesting poor risk sharing. Using a unique data set on Canadian futures markets, a simple inventory cost estimate is 300% above the optimal benchmark. Our model explains how heterogeneity...

We study a simple model of market making in which high-frequency market makers can cancel limit orders quickly after receiving an adverse signal. The resulting winner's curse induces low-frequency market makers to widen bid-ask spreads. Liquidity in the market may deteriorate unless...

This paper develops a framework to study general equilibrium implications for an economy in which agents are allowed to have dynamically inconsistent time and risk preferences. This framework accommodates, but is not limited to, the following settings: (1) non-exponential discounting; (2)...