Some useful parameters and functions

WelfareState = a(PS)
PS = b(StatePS) + c(Local & regional PS) + d(SocialPS)
SocialPS = eR + d(Goods & Services for illness) + e(Goods & Services for aging) + f(Goods & Services for handicap)
PS = g(Taxes) + h(Debt(IOY))

PS Public spending

In France PS fills also the public deficits of "assurance chômage", "sécurité sociale", "hôpitaux", olympic games, etc...