Aim of this study is to analyze the non-stationarity of real GDP levels using recently developed Carrion-i Silvestre et al. (2005) panel unit root test allowing different number of structural breaks in panel. For this purpose, this test is applied to panel data of per capita GDP of 20 high...

This paper is trying to test the hypothesis of efficient market (EMH Efficient Market Hypothesis), the case of capital market in Romania during the economic financial crisis. According to the purpose in view our research is aiming at testing the hypothesis of random walk of stock exchange...

In this paper, we re-examine two important aspects of the dynamics of relative primary commodity prices, namely the secular trend and the short run volatility. To do so, we employ 25 series, some of them starting as far back as 1650 and powerful panel data stationarity tests that allow for...

The high degree of persistence in the national inflation differentials of the majority of EMU Member States observed since the introduction of the euro has raised serious concerns among researchers and policy-makers alike. In this paper the main theoretical arguments which explain the existence...

In this paper we generalize the KPSS-type test to allow for two structural breaks. Seven models have been de?ned depending on the way that the structural breaks a¤ect the time series behaviour. The paper derives the limit distribution of the test both under the null and the alternative...