The density of a generald-dimensional stable random vectorXis expressed as an integral over the sphere in dof a function of the parameters of the one dimensional projections ofX. These formulas give insight into the form of multivariate stable densities and are useful for numerical calculations....

The rippling effects of multiple overlapping crises on the economy, declining education outcomes, and inability of the education system to meet the upcoming needs of the labor market puts the Slovak Republic in a human capital crisis. There is a misalignment between the supply and outcomes of...

COVID-19 caused significant disruption to the global education system. Early reviews of the first wave of lockdowns and school closures suggested significant learning loss in a few countries. A more recent and thorough analysis of recorded learning loss evidence documented since the beginning of...