Something along those lines is what I recall reading in Kahneman's book. I just double-checked the 'Loss Aversion' chapter, and indeed he writes, and elaborate

Something along those lines is what I recall reading in Kahneman's book. I just double-checked the 'Loss Aversion' chapter, and indeed he writes, and elaborates further: "What is the smallest gain that I need to balance an equal chance to lose $100? For many people the answer is about $200, twice as much as the loss. The "loss aversion ratio" has been estimated in several experiments and is usually in the range of 1.5 to 2.5. This is an average, of course; some people are much more loss averse than others. Professional risk takers in the financial markets are more tolerant of losses, probably because they do not respond emotionally to every fluctuation. When participants in an experiment were instructed to "think like a trader," they became less loss averse and their emotional reaction to losses (measured by a physiological index of emotional arousal) was sharply reduced. [...]"