It is well known that the conventional CUSUM test suffers from low power and large detection delay. We therefore propose two alternative detector statistics. The backward CUSUM detector sequentially cumulates the recursive residuals in reverse chronological order, whereas the stacked backward...

The purpose of this paper is to investigate Efficient Market Hypothesis (EMH) for Visegrad Group. The stock prices have been analyzed for the period between 1995 and 2014 with panel multiple structural breaks unit root test which is developed by Carrion-i-Silvestre et al. (2005). According to...