Do mutual fund ratings provide valuable information for retail investors?

Oehler, AndreasAndreasOehler0000-0002-2858-3370Höfer, AndreasAndreasHöferHorn, MatthiasMatthiasHorn0000-0002-0032-908XWendt, StefanStefanWendt2019-09-192018-12-0720181086-7376https://fis.uni-bamberg.de/handle/uniba/44952engDo mutual fund ratings provide valuable information for retail investors?article10.1108/SEF-05-2017-0120