Internet jako źródło informacji o poziomie zamożności gospodarstw domowych

Except for the conventional secondary source of information, data available via Internet become more and more significant in a study of the level of households wealth. Useful information can be found in specialized trade bases, catalogues and vortals, informational government services, associations and economic organizations windows, public opinion poll centers. The aim of this study is to catalogue and next, discuss the most important sources of information used in a study of households wealth, available via Internet.