An important assumption underlying the designation of some insurers as systemically important is that their overlapping portfolio holdings can result in common selling. We measure the overlap in holdings using cosine similarity, and show that insurers with more similar portfolios have larger...

We study the role mutual funds play in the recovery from fast intraday crashes based on data from the National Stock Exchange of India for a single large stock. During normal times, trading activity and liquidity provision by mutual funds is negligible compared to other traders at around 4% of...

We study the role of various trader types in providing liquidity in spot and futures markets based on data from the National Stock Exchange of India for a single large stock. During normal times, short-term traders who carry little inventory overnight are the primary liquidity providers in both...

We study the role mutual funds play in the recovery from fast intraday crashes based on data from the National Stock Exchange of India for a single large stock. During normal times, trading activity and liquidity provision by mutual funds is negligible compared to other traders at around 4% of...

I examine the impact of the V-shaped disposition effect, which results in uninformed sales when investors realize large gains and losses. Adverse selection risk is reduced in the presence of more uninformed sales. I show in a model that market makers should post tighter bid-ask spreads and quote...