The Optimal Control of Pollution.

K = -H + Kr = -u af' + K[r + a - (1 - a - B)f'] K c (7a)

- TI(l - Bd)f' , 413

n.

-rt K)f (Sa) H e (u-and a c

a max (HS'O) .

STEADY STATE EQUILIBRIA Are there values of K and P, which trace out an optimal

f(K)(1 - a - S) = aK , and (9a)

u - ) ,

a ' ).