Prices of currency options commonly differ from the Black-Scholes formula along two dimensions: implied volatilities vary by strike price (volatility smiles) and maturity (implied volatility of at­the­money options increases, on average, with maturity). We account for both using Gram­Charlier...

This paper presents a model on contagion in nancial markets. We use a bank run framework as a mechanism to initiate a crisis and argues that liquidity crunch and imperfect information are the key culprits for a crisis to be contagious. The model proposes that a crisis is more likely to be...