In this paper we address the problem of robust portfolio allocation under uncertainty with respect to the dependence between risky asset returns and for an ambiguity averse investor. We use the multiplier preferences framework with a penalty for ambiguity aversion that is proportional to the...

We investigate a new family of distributionally robust optimization problem under marginal and copula ambiguity with applications to portfolio optimization problems. The proposed model considers the ambiguity set of portfolio return in which the marginal distributions and their copula are close...