Mental accounting.
Money gets treated differently when it is put in different mental buckets.
Money is money, but a label such as rent, savings, or fun money can change how it gets spent. A registered replication found 11 of 17 classic examples held; the rest were mixed or did not return.
14 times
How much more households cut back on gas when its price rose, against what the same loss of income from anywhere else would predict.
This one holds up.
Also under Preferences.
Thaler 1985 · Thaler 1999 · Hastings & Shapiro 2013 · Li & Feldman 2025