Daouia, Abdelaati; Girard, Stéphane; Stupfler, Gilles - Toulouse School of Economics (TSE) - 2015
The class of quantiles lies at the heart of extreme-value theory and is one of the basic tools in risk management. The alternative family of expectiles is based on squared rather than absolute error loss minimization. The exibility and virtues of these least squares analogues of quantiles are...