Sources and factors of demand for city transport services (on the example of cities of Poland)
The article presents transportation needs as sources of public transport demand, including their features and classification. Transportation requirements were pointed out as factors that determine size of a demand on public transport services. In the article their hierarch, figured out through marketing research is presented. Elasticity of price and elasticity of income are claimed as an index of demand changes. Such a conclusion enables the author to make a forecast of the demand size on public transport in Poland until 2020 year. The structure of demand in the particular Polish cities was analyzed in details.