This paper addresses the issue of household demand for services in Poland when informal sector is taken into …. Two-step Heckman selection model is used to account for the selection into buying household services. Lee's (1983 …) procedure is adopted to control for the selection into the particular choice of tax strategy when purchasing household services …

aid of secondary and primary data. The level of expenditure on services related to the use of apartments, health … of service expenses incurred by Polish households relative to the general expense structure is 51%, which makes Poland …

expenditure (including food expenditure) on an all-Poland scale. It compares selected relations of these categories and indicates … the economic health of the households in different regions of Poland. It has been assumed, as a point of reference, that … polarisation of the analysed variables is dependent on the geographical area of residence. The data from the research on household …