Soner, H. Mete; Cetin, Umut; Touzi, Nizar - London School of Economics (LSE) - 2010
Following the framework of Cetin et al. (finance stoch. 8:311-341, 2004), we study the problem of super-replication in the presence of liquidity costs under additional restrictions on the gamma of the hedging strategies in a generalized black-scholes economy. We find that the minimal...