Samenvatting
The paper deals with the development of real variable car costs and real public transport fares (in terms of fixed price level) during the last two decades. Attention is being paid in the first place to the different methods by which car costs can be divided into fixed and variable components; it shows that the cost of petrol is the main element of the variable car costs. Next the paper deals with the factors underlying the development of the variable car costs and public transport fares.