Barbara, Batóg; Jacek, Batóg; Magdalena, Mojsiewicz - In: Folia Oeconomica Stetinensia 8 (2009) 1, pp. 126-139
-parametric methods. In the paper the Authors tried to model the distributions of the labour productivity in time by means of kernel … estimation using classical approaches (Epanechnikov, Rosenblatt) and the new proposition called kernel B. It seems that proposed …