contribution consists in showing that the optimal strategy can be obtained by a direct approach for the logarithmic utility …

represented by an enlargement of the other agents' filtration. The expected logarithmic utility increment, i.e. the difference of … the insider's and the less informed trader's expected logarithmic utility is described in terms of the information drift …

represented by an enlargement of the other agents’ filtration. The expected logarithmic utility increment, i.e. the difference of … the insider’s and the less informed trader’s expected logarithmic utility is described in terms of the information drift …