But the discipline to stick to such a solution is difficult. Bending the rules just a little more to spend more money this election cycle is always going to be

But the discipline to stick to such a solution is difficult. Bending the rules just a little more to spend more money this election cycle is always going to be extremely tempting. In addition, the situation is a bit better in this regard for small countries, who can just invest elsewhere. If the whole world tried to do this, it's not clear what they could invest in, as what they want to withdraw in 30 years time is actually the services of cooks and nursing staff etc. who must be of working age at that time.