@techreport{NBERw13401, title = "Equilibrium Portfolio Strategies in the Presence of Sentiment Risk and Excess Volatility", author = "Bernard Dumas and Alexander Kurshev and Raman Uppal", institution = "National Bureau of Economic Research", type = "Working Paper", series = "Working Paper Series", number = "13401", year = "2007", month = "September", URL = "http://www.nber.org/papers/w13401", }