6.28. A firm’s production function is initially with and Over time, the production function changes to with and . (Assume, as in LearningBy-Doing Exercise 6.5, that for this production process, L and K must each be greater than or equal to 1.)

a) Verify that this change represents technological progress.

b) Is this change labor saving, capital saving, or neutral?

6.29. A firm’s production function is initially with and Over time, the production function changes to with and

(Assume, as in Learning-By-Doing Exercise 6.5, that for this production process, L and K must each be greater than or equal to 1.)

a) Verify that this change represents technological progress.

b) Is this change labor saving, capital saving, or neutral?