Daniel Kahneman and Amos Tversky identified the planning fallacy in 1979: people systematically underestimate how long tasks will take, even when they have exte…

Kahneman and Tversky's prospect theory (1979) established that losses are psychologically weighted approximately twice as heavily as equivalent gains. A 10% los…

The popular version of decision fatigue goes: every decision depletes a finite pool of mental energy; by afternoon your decisions get worse; this explains why j…