Polish Abstract: Celem artykułu jest ocena efektywności działalności dydaktycznej polskiego szkolnictwa wyższego w roku akademickim 2014/15 w kontekście zmian demograficznych i umiędzynarodowienia szkolnictwa wyższego. Dokonano tego za pomocą modeli SBM-Min i SBM-Max nieparametrycznej...

We examine the estimation problem for shape-restricted functions that are continuous, non-negative, monotone non-decreasing, and strictly concave. A sieve estimator based on bivariate Bernstein polynomials is proposed. This estimator is drawn from a sieve, a set of shape-restricted Bernstein...

The paper presents circumstances of applying more and more often different forms of flexible employment. One of such forms is a staff self-employment. The essence and aims of the staff selfemployment have been defined, pointing out its advantages and disadvantages. Nowadays a reduction of the...