A. The production function for an entire economy is typically viewed as an aggregate of all the microeconomic firm-level production functions. The figure below depicts such an aggregate production function for an economy. The economy is currently at point A in the figure.

Using your knowledge of the Solow model of economic growth, what would be the effect on the aggregate production function of an increase in the number of workers in this economy (as a result of increased immigration)? Shift the curve to depict the impact of the increase in the number of workers.