Three roommateslong dashtinker, evers, and chancelong dashshare an apartment. it is really cold outside and they are considering turning up the thermostat in the apartment by 1, 2, 3, or 4 degrees. their individual marginal benefits from making it warmer in the apartment are as follows:
- tinker evers chance
1 degree $20 $16 $12
2 degrees $16 $12 $8
3 degrees $12 $8 $4
4 degrees $8 $4 $0
they know that each time they raise the temperature in the apartment by 1 degree, their heating bill goes up by $32.
to maximize social benefit, they should raise the temperature by