Luis Chavez-BedoyaFrancisco Rosales2024-09-202024-09-202022-03-121059-0560https://doi.org/10.1016/j.iref.2022.02.046https://cris.esan.edu.pe/handle/20.500.12640/278Orthogonal portfolios to assess estimation riskArtÃculo de revistahttp://purl.org/coar/access_right/c_abf2