no code implementations • 20 Jul 2021 • Lee Altenberg, Susanne Still, Christopher J. Watkins
We find that during a period of directional selection towards a phenotypic optimum, natural selection favors modifiers which cause an organism to bias its plastic phenotype in the direction opposite to the mean phenotype of the population -- anti-imitation.
no code implementations • 15 Apr 2014 • Fabio Caccioli, Imre Kondor, Matteo Marsili, Susanne Still
Investors who optimize their portfolios under any of the coherent risk measures are naturally led to regularized portfolio optimization when they take into account the impact their trades make on the market.
Portfolio Management Risk Management
