Please add spaces between words: Aperiodofgoodreturnsalsobooststheinvestors'self-confidence,reducingtheir(psychological)riskthreshold.[23]Anotherphenomenonalsofrompsychologythatworksagainstanobjectiveassessmentisgroupthinking.
A period of good returns also boosts the investors' self-confidence, reducing their (psychological) risk threshold.[23] Another phenomenonalso from psychologythat works against an objective assessment is group thinking.