Elliott, R.Siu, T.Cohen, S.2016-09-092016-09-092015Journal of Applied Probability, 2015; 52(3):771-7850021-90021475-6072http://hdl.handle.net/2440/101082Using backward stochastic difference equations (BSDEs), this paper studies dynamic convex risk measures for risky positions in a simple discrete-time, binomial tree model. A relationship between BSDEs and dynamic convex risk measures is developed using nonlinear expectations. The time consistency of dynamic convex risk measures is discussed in the binomial tree framework. A relationship between prices and risks is also established. Two particular cases of dynamic convex risk measures, namely risk measures with stochastic distortions and entropic risk measures, and their mathematical properties are discussed.en© Applied Probability Trust 2015Dynamic convex risk measure; conditional nonlinear expectation; binomial tree; backward stochastic difference equation; stochastic distortion probabilityBackward stochastic difference equations for dynamic convex risk measures on a binomial treeJournal article003003949610.1017/S00219002001134270003632239000112-s2.0-84946071193220340