The paper investigates spatial changes in cultivation and land use of wheat, maize and oilseed in Hungarian agriculture using different methods to measure these changes. The results suggest that spatial structure of crop productions has remained fairly stable during analysed period. The spatial...

After satisfactory performance of the transition countries in 2000, their growth slowed down in 2001 as the external conditions deteriorated. This tendency was checked in the second half of 2002. Industrial production and exports have generally strengthened since then - though in some countries...

In many companies, a large share of costs in value chains is due to the distribution logistics. The problem is known as the vehicle routing problem (VRP) and many different algorithms are used for approximate solutions. The main point of the problem is to carry out deliveries from the central...