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EN
The article presents estimates of the reliability of measurement in the Czech surveys carried out in the EU-SILC international longitudinal research project. The reliability estimates were obtained using the Quasi Simplex Model (QSM), which has never before been used in Czech research. An analysis was carried out on all the items in the EU-SILC questionnaire that fulfilled the criteria for the QSM analysis: PH010, the item that asks respondents about their subjective health, HS120, the item that asks about the household’s financial situation, and HS130, which asks what the minimum sufficient income of a household is. The analysis drew on all available data from Czech EU-SILC surveys, that is, data from five rotating panel surveys carried out between 2005 and 2012. The QSM analysis showed that for the selected items EU-SILC data are highly reliable; the estimated reliability of each item was around 0.8, for HS130 it was even above 0.9. The steadiness of the results was confirmed by the high consistency of the reliability estimates across all the panels. A small difference was observed between the reliability of data collected using the PAPI mode and data collected using CAPI. Given the attributes of the QSM model, however, it was impossible to test statistically whether the reliability of PAPI and CAPI data differ significantly.
EN
This article presents the main recent developments in migration trends to and from Belarus. It studies these trends via the migration systems theory lenses, according to which Belarus belongs to the Eurasian migration system. The most significant migration flows are directed towards Russia, due to the existence of the Union State. However, over the last decade, Belarusian statistics have shown a gradual transformation in the direction of these migration flows. After the recession in Russia in 2015, the number of emigrants from Belarus to EU countries increased. The most significant changes have occurred in the migration dynamics between Belarus and Poland and Lithuania. The existence of the Pole’s Card makes it more difficult to measure the number of Belarusian immigrants in Poland, therefore, I provide a comparative analysis of Belarusian and Polish statistics in order to show a more realistic picture of the number and structure of Belarusian emigrants and the problem of underestimation in the sending country. Particular attention is paid to the consequences of the political situation in Belarus after 2020; this has become an additional push factor for emigrants and may also lead to a further reduction of Belarusian migratory links within the Eurasian migration system. Thus, the statistics for 2021 show a significant increase in the number of Belarusian emigrants to the EU, while emigration to Russia has remained at the same level.
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