Dynamic Asset Allocation with Event Risk
Francis Longstaff and
Journal of Finance, 2003, vol. 58, issue 1, 231-259
Major events often trigger abrupt changes in stock prices and volatility. We study the implications of jumps in prices and volatility on investment strategies. Using the event-risk framework of Duffie, Pan, and Singleton (2000), we provide analytical solutions to the optimal portfolio problem. Event risk dramatically affects the optimal strategy. An investor facing event risk is less willing to take leveraged or short positions. The investor acts as if some portion of his wealth may become illiquid and the optimal strategy blends both dynamic and buy-and-hold strategies. Jumps in prices and volatility both have important effects. Copyright 2003 by the American Finance Association.
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Working Paper: Dynamic Asset Allocation with Event Risk (2001)
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