David Stephens

Personal portfolio and knowledge management platform.

Portfolio Management
Track investments and analyze performance
Knowledge Library
521 books and highlights
Quotes Collection
73 curated quotes
Featured Quote

"The Pygmalion effect, or Rosenthal effect, is the phenomenon whereby others' expectations of a target person affect the target person's performance. The effect is named after the Greek myth of Pygmal…"

Robert Rosenthal
Featured Highlight

"Evolutionary biologists have noted that social animals often find themselves in iterated Prisoner’s Dilemmas.17 An example is the mutual reward in grooming one another, with the temptation to be groo…"

Rationality by
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