14. In the Solow growth model, output ? is produced
using capital ? and labour ?.
There are constant returns to scale, and diminishing returns to
capital and labour
individually. The production function is ? = ?(?, ?), capital
depreciates at rate ?,
the population grows at rate ?, and the saving rate is ?.
(a) Sketch graphs of saving per worker, and the amount of
investment
per worker needed to maintain a constant level of capital per
worker, both...