Please solve this
2. Suppose that two individuals, Jon and David, form a community
and would like to construct a communal fort that would protect them
from attacks. They both consume good X, a private good,
and the protection of the fort, P. One unit of good
X costs 1 unit of currency, and one unit of P
costs 2 units of currency. Both Jon and David have an income of 100
and a utility function of the form:
U = log(Xi) + 2 × log(PJ +
PD)
The budget constraint for each is given by:
Xi + 2 × Pi = 100
(a) Find the amount of protection Jon will provide as a function of
how much David provides, and explain why the relationship is the
way it is.
(b) How much protection P will be privately provided in
this case?
(c) Explain the economic intuition behind this amount, and compare
it to the socially optimal amount without solving for the socially
optimal amount.
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