Dynamics of natural capital in neoclassical growth model
by Marta Kornafel; Ivan Telega
International Journal of Sustainable Economy (IJSE), Vol. 12, No. 1, 2020

Abstract: The goal of this paper is to consider the growth model in relation to natural capital dynamics to identify the existence of stable equilibria with positive natural capital stock. The main question is whether sustainable economic growth is possible with the increasing consumption of materials. To the best of our knowledge, this is the first work that implicitly considers investments in natural capital within growth theory framework and points to their key role in maintaining a constant stock of natural capital. We use 'back to basics' approach. We examine the dynamics of the standard Solow growth model extended by the presence of natural capital being modelled in the form of an aggregated renewable resource. It occurs that even if the efficiency of investments in natural capital is relatively low, it is possible to maintain natural capital at a constant level, but this requires a slowdown in the accumulation of man-made capital.

Online publication date: Thu, 25-Jun-2020

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