Leybourne et al. (1998) have proved the possibility of a `converse Perron phenomenon' when conventional Dickey-Fuller tests are applied to deter-mine the order of integration of a time series. That is, if the true generating process is I(1) but with a break, frequent spurious rejections of the...

The consequences that educational underperforming has on both individuals and the society as a whole lead policy makers and planners to focus on how to measure properly the extent of educational poverty. The main aim of this paper is to propose a multidimensional adjusted poverty index (α-MAPI)...