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. 2018 Sep 17;6(3):191–213. doi: 10.1089/big.2018.0092
  Return calculation method
  M1-PESS, % M2-OPT, % M3 (1.2%) M3 (3%)
Rand 0.6 5.2 1.2 2.7
Def 1.9 5.3 1.4 3.0
Ret 2.6 5.6 1.6 3.2
DefRet 3.0 5.7 1.7 3.3
Best possible 12.0 27.1 10.1 11.7