In economic and social sciences it is crucial to test theoretical models against large and reliable databases. The general research challenge is to build up a well-structured database that suits the given research question well and that is cost efficient at the same time. In this paper we focus...

In economic and social sciences it is crucial to test theoretical models against reliable and big enough databases. The general research challenge is to build up a well-structured database that suits well to the given research question and that is cost efficient at the same time. In this paper...

In economic and social sciences it is crucial to test theoretical models against reliable and big enough databases. The general research challenge is to build up a well-structured database that suits well to the given research question and that is cost efficient at the same time. In this paper...