فهرست مقالات Zahra Eskandari مقاله 1 - The impact of diversification on risk reduction: using a mix of Merton model and random matrix approach to take into account non-stationary Zahra Eskandari Mirfeiz Fallah Shams Gholamreza Zomorodian پژوهشگر , شماره 4 , سال 7 , بهار 2022