I think there’s an error in the arithmetic here...
I don’t Jack will vote no because he has to pay 150 but values the renovation at 120 leading to a benefit of −30 for him if he assumes that same for Jill.
I don’t Jack will vote no because he has to pay 150 but values the renovation at 120 leading to a benefit of −30 for him if he assumes that same for Jill.