Cornet, Bernard; Ranjan, Abhishek - Centre d'Économie de la Sorbonne, Université Paris 1 … - 2012
We study the convexity property of the set of arbitrage-free prices for a multi-period financial exchange economy. We provide sufficient conditions for the set of arbitrage-free prices to be a convex cone, which includes 2-date model. Further we show that a financial exchange economy with the...