Mbairadjim Moussa, A.; Sadefo Kamdem, J.; Terraza, M. - In: Economic Modelling 39 (2014) C, pp. 247-256
This paper is concerned with linear portfolio value-at-risk (VaR) and expected shortfall (ES) computation when the portfolio risk factors are leptokurtic, imprecise and/or vague. Following Yoshida (2009), the risk factors are modeled as fuzzy random variables in order to handle both their random...