The Solow model demonstrates that A) in the absence of productivity growth, economic growth will turn negative in the long run. B) in the absence of productivity growth, economic growth will reach a steady state of zero per-capita growth in the long run. C) productivity growth will inevitably decline due to diminishing marginal productivity. D) productivity growth must exceed the rate of growth in the population to avoid a steady state in the long run

Option B: In the absence of productivity growth, economic growth will reach a steady state of zero per-capita growth in the long run

Explanation:

The Solow model

This is the production function that gives people enough free hand or rooms to consider the accumulation of capital as a useful tool of long-run economic growth it is a dynamic model. Even if it can only mathematically solve for the endogenous variables in steady state, they are subscripted by time because the model holds at all points in time. And its addition to the production model includes capital stock is therefore not exogenous and the accumulation of capital is a possible tool of long-run economic growth.

Solow Model Strengths includes;

1. It gives a theory that shows how rich a country is in the long run( e.g. steady state)

2. It helps to understand differences in growth rates by using the principle of transition dynamics

Solow Model Weaknesses includes.

1. If the main tool studied in the model is investment in physical capital, that explains only a small fraction of the differences in income across countries

2. The model do not clearly explain differences in investment rates etc.

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