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In this paper, we analyze growth dynamics in the 25 African countries over the period 1950–2016. To this end, first, we test the stochastic properties of real per capita GDP series. While conventional unit root and standard quantile unit root tests do not reject a unit root, using a novel quantile unit root test which allows for smooth breaks, we could find the results in favor of trend stationarity of 16 out of 25 real per capita GDP series. Our results indicate that in some countries positive shocks to real per capita GDP series have permanent effect and in some of them, the negative shocks. Whereas all of African countries in our sample specialized in producing and exporting primary products, hence to have favorable growth performance, they have to manage terms of trade shocks to avoid large swings in the real per capita GDP. |
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