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with the behavior of irrationally exuberant
investors. “The characteristics of decreased
threat perception and increased social affiliation
[resulting from drugs like Prozac]
mirror the decreased risk perception and
herding of excessively bullish investors,” he
writes. “It is as if bubble investors are experiencing
a partial deactivation of their
brains’ loss avoidance systems.”
37. relative performance of introverts and
extroverts: Dalip Kumar and Asha Kapila,
“Problem Solving as a Function of Extraversion
and Masculinity,” Personality and Individual
Differences 8, no. 1 (1987): 129–32.
38. Extroverts get better grades: Adrian
Furnham et al., “Personality, Cognitive Ability,
and Beliefs About Intelligence as Predictors
of Academic Performance,” Learning
and Individual Differences 14 (2003): 49–66.
See also Isabel Briggs Myers and Mary H.
McCaulley, MBTI Manual: A Guide to the
Development and Use of the Myers-Briggs