Batching orders and routing order pickers is a commonly studied problem in many picker-to-parts warehouses. The impact of individual differences in picking skills on performance has received little attention. In this paper, we show that taking into account differences in the skills of individual...

This paper investigates the growth impact of Information and Communication Technologies (ICT) in an economy consisting of three sectors: ICT-producing, ICT-using, and non-ICT-using. The ICT progress causes falling prices of the consumption and intermediates produced by the ICT-using sector,...