Please help me understand the problem provided below and suggest a solution. I thank you for your time and cooperation.
Consider a public goods problem in which each person has the same income M and preferences as given by
Uj=ln(g1+...+gN)+3ln(Cj)
Assume for simplicity that the price of both goods is equal to one.
a) Solve for the privately optimal value of g for each individual.
b) Solve for the socially optimal value of g for each individual.