申論題

3. On the island of Pago-Pago, there are two lakes and 20 fishers. Each fisher gets to fish on either lake and gets to keep the average catch on that lake. On Lake X, the total number of fish caught is given by one firm ent aeus mroducts.

Where Lx is the number of fishers on the lake. The amount an additional fisher will catch is MP.=10 - Lx. For

Lake Y, the relationship is

(c) Being basically opposed to coercion, the chief decides to require a fishing license for Lake X. If the licensing procedure is to bring about the optimal allocation of labor, what should the cost of license be (in terms of fish)? (7%)