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q-fin.PM2024
Diversification quotient based on expectiles
Xia Han, Liyuan Lin, Hao Wang +1
A diversification quotient (DQ) quantifies diversification in stochastic portfolio models based on a family of risk measures. We study DQ based on expectiles, offering a useful alt…
q-fin.PM2024
Diversification for infinite-mean Pareto models without risk aversion
Yuyu Chen, Taizhong Hu, Ruodu Wang +1
We study stochastic dominance between portfolios of independent and identically distributed (iid) extremely heavy-tailed (i.e., infinite-mean) Pareto random variables. With the not…