Der vorliegende Band geht über einen reinen Tagungsband hinaus. Er enthält neben den Tagungsbeiträgen des Moderators und der Referenten auch zwei Erfahrungsberichte über die Pretests zu zwei Erhebungen nach Paragraph 7 Bundesstatistikgesetz. Inhalt: Kopsch, Günter: Begrüßung. - Mohler,...

We consider a general sample selection model where unit and item nonresponse simultaneously affect a regression relationship of interest, and both types of nonresponse are potentially correlated. We estimate both parametric and semiparametric specifications of the model. The parametric...

We propose a novel selectivity correction procedure to deal with survey attrition, at the crossroads of the "Heckit" and of the bounding approach of Lee (2009). As a substitute for the instrument needed in sample selectivity correction models, we use information on the number of attempts that...

The randomized trial literature has helped to renew the fields of microeconometric policy evaluation by emphasizing identification issues raised by endogenous program participation. Measurement and attrition issues have perhaps received less attention. This paper analyzes the dramatic impact of...