1. people are interested only in their own satisfaction
2. choices always align with long-term interests
3. people can consider every choice
you don't make yourself worse off on purpose
there's SO many ways to be irrational; only ONE way to be rational
studying rationality gives baseline- can easily notice deviation from baseline
economics is focused on outcomes rather than thought process
bounded rationality: people
are nearly rational;
sometimes break from the 3
rationality assumptions;
people use rules of thumb
instead of considering all
choices