We model the interactions between product market competition and investment valuation within a dynamic oligopoly. It is, to our knowledge, the first continuous time corporate finance model in a multiple firm setting with heterogeneous products. The model is tractable and amenable to estimation....

We exploit threshold rules governing margin trading eligibility in India to identify a causal link between margin trading and increased comovement during crises. Margin trading explains more than one quarter of the increase return comovement that we observe during crises. To understand the...

Does trader leverage drive equity market liquidity? We use the unique features of the margin trading system in India to identify a causal relationship between traders' ability to borrow and a stock's market liquidity. To quantify the impact of trader leverage, we employ a regression...

Risk management is the most widely-cited reason that non-financial corporations use derivatives. If hedging programs are effective, then firms using derivatives should have lower credit risk than those that do not. Surprisingly, we find that firms with derivative positions without a hedge...