overconfidence effect

    By Manfred Kets de Vries, INSEAD   Most people, at one time or another, act foolishly. However, truly ignorant individuals exhibit a lack of introspection and stubbornly cling to their opinions, regardless of how irrational they may be. These people demonstrate unwavering self-assurance and are often oblivious to their own inadequacies. They craft retrospective justifications to validate their beliefs and hold onto them. Even when presented with opportunities […]