Darné, Olivier; Charles, Amélie - In: Economics Bulletin 32 (2012) 3, pp. 2399-2406
In this paper, we test the presence of stochastic trend in long series of US real GNP measured by Balke and Gordon (1989) and Romer (1989), using unit root tests robust against breaks and outliers. We apply two recent robust unit root tests proposed by Cavaliere and Georgiev (2009) and Lima and...