Long-term economic growth is influenced by increased savings and investment, according to Solow. The short-term rate of growth of national income and product is boosted by increased savings and investment.
In the slow growth model, the following characteristics account for the disparity in per capita income:
The population grows at a constant rate, g. As a result, the equation N' = N(1+g) links the current population (represented by N) and the future population (represented by N').
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