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...

This volume was prepared by Benedikt Heid while he was working at the ifo Institute and the University of Bayreuth. It was completed in December 2013 and accepted as a doctoral thesis by the Department of Economics at the Ludwig-Maximilians-Universität München. It includes six self-contained...

Heutige Geschäftsmodelle oder aktuelle Informationstechnologietrends verlangen nach einer immer intensiveren Unterstützung durch Informationstechnologie (IT). Als logische Folge steigen die IT-Ausgaben stetig, und die Durchdringung der Geschäftsprozesse mit IT nimmt kontinuierlich zu. Leider...