Measurable aspects of the economic convergence of EU countries form the main topic of this paper. For this purpose, statistical and econometric methods are presented and applied for revealing characteristic elements of such a process. A first group of methods refers mainly to aspects such as:...

This paper studies models in which hypothesis tests have trivial power, that is, power smaller than size. This testing impossibility, or impossibility type A, arises when any alternative is not distinguishable from the null. We also study settings where it is impossible to have almost surely...

As in many developing countries, mobile money was justified as a significant tool of financial inclusion in Sub-Saharan Africa. This study attempts to identify the factors motivating Rwandans to use the mobile money using the FinScope 2016 survey data collected from a random sample of 12,480...