18. If the marginal product of capital net of depreciation equals 10 percent and the rate of population growth equals 2 percent, then this economy will be at the Golden Rule steady state if the rate of technological progress equals percent.

rate of technological progress = 8 %

Explanation:

given data

capital net of depreciation = 10 percent

Population growing rate = 2 percent.

solution

we will apply here Golden Rule that is

According to golden Rule level of capital accumulation is in steady state which have the highest level of the consumption

so here rate of technological progress is =  10% - 2 %

rate of technological progress = 8%

and here economy will at Golden Rule steady state

so correct answer is 8 percent

answer; /// i believe the correct answer is (all of the above);

the answer is i don't know