This paper illustrates the effects of item-nonresponse in surveys on the results of multivariate statistical analysis when estimation of productivity is the task. To multiply impute the missing data a data augmentation algorithm based on a normal/Wishart model is applied. Data of the German IAB...

Angesichts sinkender Ausschöpfungsquoten und knapper finanzieller Mittel zur Durchführung von Erhebungen gewinnt die Verknüpfung von Prozess- und Befragungsdaten an Attraktivität. Neben erhebungstechnischen Vorteilen kann die Verknüpfung Schwächen der einzelnen Datenarten ausgleichen und...

Methods for the analysis of linked employer-employee data are not yet available in standard econometrics packages. In this paper, we make the fixed-effects methods developed orginally by Abowd, Kramarz, Margolis and others more accessible, where possible, and show how they can be implemented in...

This paper focusses on the estimation of error components models in the presence of a correlation of the disturbances across equations and AR(1) of the remainder disturbances for panel data with endogenous unobserved effects. Additionally, the set-up allows for unequally spaced panel data and...

This paper proposes studying export frequency of firms. While extensive margins of products and destination define the scope of firm's export, export shipment frequency is determined by sale method choice and cost structure of the trade technology. Exporters optimize the frequency of...