Lechner, Sandra; Pohlmeier, Winfried - In: Jahrbücher für Nationalökonomie und Statistik 225 (2005) 5, pp. 517-528
Summary Data collecting institutions use a large range of masking procedures in order to protect data against disclosure. Generally, a masking procedure can be regarded as a kind of data filter that transforms the true data generating process. Such a transformation severely affects the quality...