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This thesis strives to offer new insights in two main areas. First, in the well-researched domain of payment cards chapters 2 and 3 investigate an aspect that has hitherto been scantly examined, namely, the fact that merchant usage fees differ substantially among merchant sectors. Additionally,...
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Surveys are a widely used tool to answer socio-economic research question across disciplines. However, data collection can face certain problems such as nonresponding units. For household and population surveys, a large body of literature about the effects of nonresponse exist but only less is...
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This study was prepared by Beate Schirwitz while she was working at the Ifo Institute’s Dresden Branch. It was completed in February 2012 and accepted as a doctoral thesis by the Faculty of Law, Management, and Economics at the Johannes Gutenberg University Mainz in July 2012. It focuses on a...
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Šiuo metu rankiniu būdu atliekama statistinė analizė apie patrulių darbo laiką ir darbo rezultatus sumažina tokios statistikos patikimumą ir tikslumą. Tai įtakoja klaidingą padalinio veiklos planavimą ir blogus darbo rezultatus. Reikėjo surasti sprendimą, kaip panaudojant...
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Vienas iš darbo tikslų yra sudaryti modelius, pagal kuriuos būtų galima prognozuoti Sodros pajamas pagal išlaidas, atskirų pensijų grupių išlaidas pagal jų skaičių, motinystės/tėvystės išmokas pagal apdraustųjų skaičių bei Sodros pajamas pagal šiuos kintamuosius: draudėjų...
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