Benzoni, Luca; Collin-Dufresne, Pierre; Goldstein, Robert S. - 2011
dramatically and permanently changed the shape of the implied volatility curve for equity index options. Here, we propose a general … equilibrium model that captures many salient features of the U.S. equity and options markets before, during, and after the crash … shortmaturity at-the-money and deep out-of- the-money S&P 500 put options, as well as the prices of individual stock options …