Salas-Molina, Francisco; Rodriguez-Aguilar, Juan A.; Pla Santamaría, David(Springer-Verlag, 2019-09)
[EN] The optimum portfolio selection for an investor with particular preferences was proven to lie on the normalized efficient frontier between two bounds defined by the Ballestero (1998) bounding theorem. A deeper ...
[EN] Early warning systems (EWSs) have proven to be useful in identifying students at risk of failing both online and conventional courses. Although some general systems have reported acceptable ability to work in modules ...