Question

The necessary condition for a given amount of public good to be Pareto efficient
is that the sum of the marginal willingness to pay should be equal to the marginal
cost. Suppose 10 people live on a street and each of them is willing to pay Rs 2
for each extra unit of streetlight, regardless of the number of streetlights provided.
If the cost of providing x streetlights is C(x) = x2, x > 0; what is the Pareto
efficient number of streetlights?​

Answer 1

Answer:

S.a of hemisphere =3 pi r²

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